Fluke                                                       MET/CAL Procedure
=============================================================================
INSTRUMENT:            Tek 2445: (1 year) CAL VER /5520+SC600
DATE:                  08-Oct-97
AUTHOR:                Fluke Corporation
REVISION:              $Revision: 1.3 $
ADJUSTMENT THRESHOLD:  70%
NUMBER OF TESTS:       521
NUMBER OF LINES:       3889
CONFIGURATION:         Fluke 5520A (S6)
=============================================================================
#
# Source:
#   Tektronix 2445 Service Manual, April 1983
#
# Compatibility:
#   5520/CAL or MET/CAL or later
#
# Subprocedures:
#   None
#
# Required Files:
#   None
#
# System Specifications:
#   TUR calculation is based on specification interval of the accuracy file.
#   The default 5520A accuracy file contains 90 day specs.
#
# Fluke makes no warranty, expressed or implied, as to the fitness
# or suitability of this procedure in the customer's application.
#
 STEP    FSC    RANGE NOMINAL        TOLERANCE     MOD1        MOD2  3  4 CON
  1.001  ASK-   R     N                J                          F        W
  1.002  ASK+     D
  1.003  HEAD         PRELIMINARY INSTRUCTIONS
  1.004  DISP         Warm-up time: 20 min. - REQUIRED
  1.004  DISP         Temperature : 20 - 30 degC
  1.004  DISP         Humidity    : <80%
  1.005  HEAD         [32]                    WARNING!
  1.006  DISP         DURING THE FOLLOWING PROCEDURE, HIGH VOLTAGES THAT COULD
  1.006  DISP         CAUSE SERIOUS INJURY OR EVEN DEATH ARE PRESENT!
  1.006  DISP
  1.006  DISP         USE CAUTION TO PREVENT INJURY!
  1.007  DISP         This procedure requires the following...
  1.007  DISP
  1.007  DISP         Function Generator;  rep rate 1 kHz - 1 MHz, 15 VP-P
  1.007  DISP         Test Oscilloscope;  150 MHz Bandwidth
  1.008  HEAD         INITIAL CONTROL SETTINGS
  1.009  DISP         VERTICAL MODE             : CH 1 ON, all others OFF
  1.009  DISP         CHOP/ALT                  : ALT (button out)
  1.009  DISP         20 MHz BW LIMIT           : Off (button out)
  1.009  DISP         CH 1 & CH 2 VOLTS/DIV     : 1 V
  1.009  DISP         CH 1 & CH 2 VAR VOLTS/DIV : CAL (in detent)
  1.009  DISP         CH 3 & CH 4 VOLTS/DIV     : 0.1 V (buttons out)
  1.009  DISP         CH 1 & CH 2 COUPLING      : 1 MOhm GND
  1.010  DISP         A and B SEC/DIV     : 10 ms (knobs locked)
  1.010  DISP         A and B SEC/DIV VAR : CAL (In detent)
  1.010  DISP         X10 MAG             : Off (button out)
  1.010  DISP         Delta T and Delta V : Off (no readout)
  1.010  DISP         TRACKING            : Off (button out)
  1.010  DISP         TRACE SEP           : Fully CW
  1.010  DISP         TRIG HOLDOFF        : Fully CCW
  1.010  DISP         TRIG LEVEL          : Midrange
  1.011  DISP         TRIG SLOPE      : + (plus)
  1.011  DISP         A/B TRIG SELECT : A
  1.011  DISP         TRIG MODE       : AUTO LVL
  1.011  DISP         TRIG SOURCE     : VERT
  1.011  DISP         TRIG COUPLING   : DC
  1.012  HEAD         {CHANNEL 1 50 Ohm OVERLOAD PROTECTION}
  1.013  DISP         Connect the 5520A SCOPE BNC to the CH 1 OR
  1.013  DISP         X input connector via a 50 Ohm BNC cable.
  1.014  DISP         Change the CH 1 Input Coupling switch to 50 Ohm DC.
  1.015  M5520  LIMIT 1T
  1.016  5520         5V                                             OM N  2W
  1.017  EVAL   -e MEM == 0 : No overload expected
  2.001  DISP         Change the CH 1 VOLTS/DIV control to 5 V/div.
  2.002  M5520  LIMIT 15T
  2.003  5520         9V                                             OM N  2W
  2.004  EVAL   -e MEM : Overload expected
  3.001  DISP         Clear the OVERLOAD condition by pressing
  3.001  DISP         up on the CH 1 Input Coupling switch.
  3.002  DISP         Verify the CH 1, 1 MOhm DC indicator is lit
  3.002  DISP         and the readout display no longer indicates
  3.002  DISP         "50 Ohm OVERLOAD".
  3.003  EVAL   Does {50 Ohm overload protection reset properly}?
  4.001  HEAD         {CHANNEL 2 50 Ohm OVERLOAD PROTECTION}
  4.002  DISP         VERTICAL MODE : CH 2
  4.003  DISP         Connect the 5520A SCOPE BNC to the CH 2 input connector
  4.003  DISP         via a 50 Ohm BNC cable.
  4.004  DISP         Change the CH 2 Input Coupling switch to 50 Ohm DC.
  4.005  M5520  LIMIT 1T
  4.006  5520         5V                                             OM N  2W
  4.007  EVAL   -e MEM == 0 : No overload expected
  5.001  DISP         Change the CH 2 VOLTS/DIV control to 5 V/div.
  5.002  M5520  LIMIT 15T
  5.003  5520         9V                                             OM N  2W
  5.004  EVAL   -e MEM : Overload expected
  6.001  DISP         Clear the OVERLOAD condition by pressing
  6.001  DISP         up on the CH 2 Input Coupling switch.
  6.002  DISP         Verify the CH 2, 1 MOhm DC indicator is lit
  6.002  DISP         and the readout display no longer indicates
  6.002  DISP         "50 Ohm OVERLOAD".
  6.003  EVAL   Does {50 Ohm overload protection reset properly}?
  7.001  M5520        *
  7.002  HEAD         {CHANNEL 1 LOW-FREQUENCY AC COUPLING}
  7.003  DISP         VERT MODE             : CH 1
  7.003  DISP         A and B SEC/DIV       : 10 ms (knobs locked)
  7.003  DISP         CH 1 & CH 2 VOLTS/DIV : 10 mV
  7.003  DISP         CH 1 & CH 2 COUPLING  : 1 MOhm GND
  7.004  DISP         NOTE:  Prior to performing the following steps, the
  7.004  DISP         10X probe must be properly compensated.
  7.005  DISP         Connect the Tektronix 2445 CALIBRATOR output signal
  7.005  DISP         to the CH 1 input connector using a 10X probe.
  7.006  DISP         Position the ground-reference trace 2 divisions
  7.006  DISP         below the center horizontal graticule line.
  7.007  DISP         CH 1 COUPLING : 1 MOhm DC
  7.007  DISP
  7.007  DISP         Check that displayed signal is vertically centered
  7.007  DISP         and has an amplitude of 3.88 to 4.12 divisions.
  7.008  EVAL   Is {display vertically centered and 3.88 to 4.12 divisions}?
  8.001  DISP         CH 1 COUPLING : upper 1 MOhm GND
  8.001  DISP
  8.001  DISP         Using the CH 1 POSITION control, align the
  8.001  DISP         trace with the center horizontal graticule line.
  8.002  DISP         Set the CH 1 Input Coupling switch to 1 MOhm AC.
  8.002  DISP
  8.002  DISP         Check that displayed signal is a tilted square
  8.002  DISP         wave, 4.5 to 4.9 divisions in amplitude,
  8.002  DISP         vertically centered on the graticule.
  8.003  EVAL   Is {signal tilted, centered, and 4.5 to 4.9 div in amplitude}?
  9.001  HEAD         {CHANNEL 2 LOW-FREQUENCY AC COUPLING}
  9.002  DISP         Connect the Tektronix 2445 CALIBRATOR output signal
  9.002  DISP         to the CH 2 input connector using a 10X probe.
  9.002  DISP
  9.003  DISP         Set the VERTICAL MODE switches to deselect CH 1
  9.003  DISP         and display CH 2.
  9.003  DISP
  9.004  DISP         Position the ground-reference trace 2 divisions
  9.004  DISP         below the center horizontal graticule line.
  9.005  DISP         VERT MODE     : CH 2
  9.005  DISP         CH 2 COUPLING : 1 MOhm DC
  9.005  DISP
  9.005  DISP         Check that displayed signal is vertically centered
  9.005  DISP         and has an amplitude of 3.88 to 4.12 divisions.
  9.006  EVAL   Is {display vertically centered and 3.88 to 4.12 divisions}?
 10.001  DISP         CH 2 COUPLING : upper 1 MOhm GND
 10.001  DISP
 10.001  DISP         Using the CH 2 POSITION control, align the
 10.001  DISP         trace with the center horizontal graticule line.
 10.002  DISP         Set the CH 2 Input Coupling switch to 1 MOhm AC.
 10.002  DISP
 10.002  DISP         Check that displayed signal is a tilted square
 10.002  DISP         wave, 4.5 to 4.9 divisions in amplitude,
 10.002  DISP         vertically centered on the graticule.
 10.003  EVAL   Is {signal tilted, centered, and 4.5 to 4.9 div in amplitude}?
 11.001  DISP         Disconnect the 10X probe from the UUT
 11.001  DISP
 11.002  HEAD         {CH 1 VOLTS/DIV, DELTA V, & TRIG LVL READOUT}
 11.003  DISP         CH 1 & CH 2 COUPLING  : 1 MOhm AC
 11.003  DISP         VERT MODE             : CH 1
 11.003  DISP         BW LIMIT              : On (button in)
 11.003  DISP         Delta V               : On
 11.003  DISP         CH 1 & CH 2 VOLTS/DIV : 2 mV
 11.003  DISP         A and B SEC/DIV       : 1 ms (knobs locked)
 11.003  DISP         TRIGGER MODE          : AUTO
 11.004  DISP         Press up and momentarily hold the CH 1 and CH 2
 11.004  DISP         Input Coupling switches in their 1 MOhm AC
 11.004  DISP         positions until a moving dot display
 11.004  DISP         replaces the normal signal and readout
 11.004  DISP         displays (for approximately 15 seconds).
 11.004  DISP         This performs a DC Balance of CH 1 and CH 2.
 11.005  DISP         When the signal and readout displays
 11.005  DISP         automatically return to normal, set the CH 1
 11.005  DISP         and CH 2 Input Coupling to 1 MOhm DC.
 11.005  DISP
 11.006  DISP         MAKE THE FOLLOWING CONNECTION...
 11.006  DISP
 11.006  DISP         5520 SCOPE OUTPUT --------- CH 1 INPUT
 11.006  DISP
 11.007  RSLT         =VOLTS/DIV ACCURACY:  2 mV/DIV
 11.008  ASK+         N
 11.009  5520   2     10mVpp         2%            1kH            ZQ S6
 12.001  HEAD         {DELTA VOLTS READOUT}
 12.002  DISP         Press and release the Delta V pushbutton to
 12.002  DISP         obtain the Delta V readout display.
 12.003  5520         10mVpp                       1kH            ZQ S6 S
 12.004  DISP         Use the VERTICAL POSITION control to set the
 12.004  DISP         bottom of the signal 2 divisions below graticule
 12.004  DISP         center.
 12.004  DISP
 12.005  DISP         Throughout the DELTA VOLTS READOUT tests...
 12.005  DISP
 12.005  DISP         Rotate the Delta REF OR DLY POS control to
 12.005  DISP         align the reference cursor with the bottom of
 12.005  DISP         the waveform.
 12.005  DISP
 12.005  DISP         Rotate the Delta control to align the Delta cursor
 12.005  DISP         with the top of the signal display.
 12.006  EVAL   Is {delta volts readout 9.81 to 10.20 mV}?
 13.001  HEAD         {A TRIGGER LEVEL:  +Peak}
 13.002  5520         10mVpp                       1kH            ZQ S6 S
 13.003  DISP         Throughout the A TRIGGER LEVEL +PEAK tests...
 13.003  DISP
 13.003  DISP         Set the TRIGGER LEVEL control at the
 13.003  DISP         most positive voltage that produces a
 13.003  DISP         barely triggered, jittering display.
 13.003  DISP
 13.004  EVAL   Is {positive trigger level readout 8.5 to 11.5 mV}?
 14.001  HEAD         A TRIGGER LEVEL:  {-Peak}
 14.002  DISP         TRIGGER SLOPE : -
 14.002  DISP
 14.003  5520         10mVpp                       1kH            ZQ S6 S
 14.004  DISP         Throughout the A TRIGGER LEVEL -PEAK tests...
 14.004  DISP
 14.004  DISP         Set the TRIGGER LEVEL control at the
 14.004  DISP         most negative voltage that produces a
 14.004  DISP         barely triggered, jittering display.
 14.004  DISP
 14.005  EVAL   Is {negative trigger level readout +1.2 to -1.2 mV}?
 15.001  ASK-                          J                          F        W
 15.002  ASK+   R D   N
 15.003  HEAD         {B TRIGGER LEVEL:  +Peak}
 15.004  DISP         TRIGGER SLOPE : +
 15.004  DISP
 15.005  5520         10mVpp                       1kH            ZQ S6 S
 15.006  DISP         Set the TRIGGER LEVEL for a stable display.
 15.006  DISP
 15.006  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
 15.006  DISP         to TRIG AFT DLY.
 15.007  DISP         Adjust Delta REF OR DLY POS control for a
 15.007  DISP         delay readout of 0.000 ms.
 15.008  DISP         Set the TRIGGER LEVEL control to the
 15.008  DISP         most positive voltage that produces an
 15.008  DISP         intensified point on the waveform display.
 15.008  DISP
 15.009  EVAL   Is {positive trigger level readout 8.5 to 11.5 mV}?
 16.001  HEAD         B TRIGGER LEVEL:  {-Peak}
 16.002  DISP         TRIGGER SLOPE : -
 16.002  DISP
 16.003  5520         10mVpp                       1kH            ZQ S6 S
 16.004  DISP         Set the TRIGGER LEVEL control to the
 16.004  DISP         most negative voltage that produces an
 16.004  DISP         intensified point on the waveform display.
 16.004  DISP
 16.005  EVAL   Is {negative trigger level readout +1.2 to -1.2 mV}?
 17.001  DISP         Push the B SEC/DIV knob in.
 17.002  HEAD         {VOLTS/DIV ACCURACY:  5 mV/DIV}
 17.003  ASK+   R
 17.004  DISP         Press and release the Delta V pushbutton to
 17.004  DISP         reobtain the Delta V readout display.
 17.005  DISP         TRIGGER SLOPE : +
 17.005  DISP
 17.006  5520   5     20mVpp         2%            1kH            ZQ S6
 18.001  HEAD         {DELTA VOLTS READOUT}
 18.002  5520         20mVpp                       1kH            ZQ S6 S
 18.003  EVAL   Is {delta volts readout 19.6 to 20.4 mV}?
 19.001  HEAD         {A TRIGGER LEVEL:  +Peak}
 19.002  5520         20mVpp                       1kH            ZQ S6 S
 19.003  EVAL   Is {positive trigger level readout 17.3 to 22.7 mV}?
 20.001  HEAD         A TRIGGER LEVEL:  {-Peak}
 20.002  DISP         TRIGGER SLOPE : -
 20.002  DISP
 20.003  5520         20mVpp                       1kH            ZQ S6 S
 20.004  EVAL   Is {negative trigger level readout +2.1 to -2.1 mV}?
 21.001  HEAD         {B TRIGGER LEVEL:  +Peak}
 21.002  DISP         TRIGGER SLOPE : +
 21.002  DISP
 21.003  5520         20mVpp                       1kH            ZQ S6 S
 21.004  DISP         Set the TRIGGER LEVEL for a stable display.
 21.004  DISP
 21.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
 21.004  DISP         to TRIG AFT DLY.
 21.005  EVAL   Is {positive trigger level readout 17.3 to 22.7 mV}?
 22.001  HEAD         B TRIGGER LEVEL:  {-Peak}
 22.002  DISP         TRIGGER SLOPE : -
 22.002  DISP
 22.003  5520         20mVpp                       1kH            ZQ S6 S
 22.004  EVAL   Is {negative trigger level readout +2.1 to -2.1 mV}?
 23.001  DISP         Push the B SEC/DIV knob in.
 23.002  HEAD         {VOLTS/DIV ACCURACY:  10 mV/DIV}
 23.003  DISP         Press and release the Delta V pushbutton to
 23.003  DISP         reobtain the Delta V readout display.
 23.004  DISP         TRIGGER SLOPE : +
 23.004  DISP
 23.005  5520   10    50mVpp         2%            1kH            ZQ S6
 24.001  HEAD         {DELTA VOLTS READOUT}
 24.002  5520         50mVpp                       1kH            ZQ S6 S
 24.003  EVAL   Is {delta volts readout 49.0 to 50.9 mV}?
 25.001  HEAD         {A TRIGGER LEVEL:  +Peak}
 25.002  5520         50mVpp                       1kH            ZQ S6 S
 25.003  EVAL   Is {positive trigger level readout 44.5 to 55.5 mV}?
 26.001  HEAD         A TRIGGER LEVEL:  {-Peak}
 26.002  DISP         TRIGGER SLOPE : -
 26.002  DISP
 26.003  5520         50mVpp                       1kH            ZQ S6 S
 26.004  EVAL   Is {negative trigger level readout +4 to -4 mV}?
 27.001  HEAD         {B TRIGGER LEVEL:  +Peak}
 27.002  DISP         TRIGGER SLOPE : +
 27.002  DISP
 27.003  5520         50mVpp                       1kH            ZQ S6 S
 27.004  DISP         Set the TRIGGER LEVEL for a stable display.
 27.004  DISP
 27.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
 27.004  DISP         to TRIG AFT DLY.
 27.005  EVAL   Is {positive trigger level readout 44.5 to 55.5 mV}?
 28.001  HEAD         B TRIGGER LEVEL:  {-Peak}
 28.002  DISP         TRIGGER SLOPE : -
 28.002  DISP
 28.003  5520         50mVpp                       1kH            ZQ S6 S
 28.004  EVAL   Is {negative trigger level readout +4 to -4 mV}?
 29.001  DISP         Push the B SEC/DIV knob in.
 29.002  HEAD         {VOLTS/DIV ACCURACY:  20 mV/DIV}
 29.003  DISP         Press and release the Delta V pushbutton to
 29.003  DISP         reobtain the Delta V readout display.
 29.004  DISP         TRIGGER SLOPE : +
 29.004  DISP
 29.005  5520   20    100mVpp        2%            1kH            ZQ S6
 30.001  HEAD         {DELTA VOLTS READOUT}
 30.002  5520         100mVpp                      1kH            ZQ S6 S
 30.003  EVAL   Is {delta volts readout 98.1 to 102.0 mV}?
 31.001  HEAD         {A TRIGGER LEVEL:  +Peak}
 31.002  5520         100mVpp                      1kH            ZQ S6 S
 31.003  EVAL   Is {positive trigger level readout 89 to 111 mV}?
 32.001  HEAD         A TRIGGER LEVEL:  {-Peak}
 32.002  DISP         TRIGGER SLOPE : -
 32.002  DISP
 32.003  5520         100mVpp                      1kH            ZQ S6 S
 32.004  EVAL   Is {negative trigger level readout +7.5 to -7.5 mV}?
 33.001  HEAD         {B TRIGGER LEVEL:  +Peak}
 33.002  DISP         TRIGGER SLOPE : +
 33.002  DISP
 33.003  5520         100mVpp                      1kH            ZQ S6 S
 33.004  DISP         Set the TRIGGER LEVEL for a stable display.
 33.004  DISP
 33.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
 33.004  DISP         to TRIG AFT DLY.
 33.005  EVAL   Is {positive trigger level readout 89 to 111 mV}?
 34.001  HEAD         B TRIGGER LEVEL:  {-Peak}
 34.002  DISP         TRIGGER SLOPE : -
 34.002  DISP
 34.003  5520         100mVpp                      1kH            ZQ S6 S
 34.004  EVAL   Is {negative trigger level readout +7.5 to -7.5 mV}?
 35.001  DISP         Push the B SEC/DIV knob in.
 35.002  HEAD         {VOLTS/DIV ACCURACY:  50 mV/DIV}
 35.003  DISP         Press and release the Delta V pushbutton to
 35.003  DISP         reobtain the Delta V readout display.
 35.004  DISP         TRIGGER SLOPE : +
 35.004  DISP
 35.005  5520   50    200mVpp        2%            1kH            ZQ S6
 36.001  HEAD         {DELTA VOLTS READOUT}
 36.002  5520         200mVpp                      1kH            ZQ S6 S
 36.003  EVAL   Is {delta volts readout 196 to 204 mV}?
 37.001  HEAD         {A TRIGGER LEVEL:  +Peak}
 37.002  5520         200mVpp                      1kH            ZQ S6 S
 37.003  EVAL   Is {positive trigger level readout 177 to 223 mV}?
 38.001  HEAD         A TRIGGER LEVEL:  {-Peak}
 38.002  DISP         TRIGGER SLOPE : -
 38.002  DISP
 38.003  5520         200mVpp                      1kH            ZQ S6 S
 38.004  EVAL   Is {negative trigger level readout +17 to -17 mV}?
 39.001  HEAD         {NOISE REJ:  +Peak}
 39.002  DISP         TRIGGER SLOPE : +
 39.002  DISP
 39.003  DISP         TRIGGER COUPLING : NOISE REJ
 39.004  5520         200mVpp                      1kH            ZQ S6 S
 39.005  EVAL   Is {positive trigger level readout 147 to 253 mV}?
 40.001  HEAD         {NOISE REJ:  -Peak}
 40.002  DISP         TRIGGER SLOPE : -
 40.002  DISP
 40.003  5520         200mVpp                      1kH            ZQ S6 S
 40.004  EVAL   Is {negative trigger level readout +47 to -47 mV}?
 41.001  HEAD         {B TRIGGER LEVEL:  +Peak}
 41.002  DISP         TRIGGER SLOPE : +
 41.002  DISP
 41.003  DISP         TRIGGER COUPLING : DC
 41.004  5520         200mVpp                      1kH            ZQ S6 S
 41.005  DISP         Set the TRIGGER LEVEL for a stable display.
 41.005  DISP
 41.005  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
 41.005  DISP         to TRIG AFT DLY.
 41.006  EVAL   Is {positive trigger level readout 177 to 223 mV}?
 42.001  HEAD         B TRIGGER LEVEL:  {-Peak}
 42.002  DISP         TRIGGER SLOPE : -
 42.002  DISP
 42.003  5520         200mVpp                      1kH            ZQ S6 S
 42.004  EVAL   Is {negative trigger level readout +17 to -17 mV}?
 43.001  DISP         Push the B SEC/DIV knob in.
 43.002  HEAD         {VOLTS/DIV ACCURACY:  .1 V/DIV}
 43.003  DISP         Press and release the Delta V pushbutton to
 43.003  DISP         reobtain the Delta V readout display.
 43.004  DISP         TRIGGER SLOPE : +
 43.004  DISP
 43.005  5520   0.1   0.5Vpp         2%            1kH            ZQ S6
 44.001  HEAD         {DELTA VOLTS READOUT}
 44.002  5520         0.5Vpp                       1kH            ZQ S6 S
 44.003  EVAL   Is {delta volts readout 490 to 509 mV}?
 45.001  HEAD         {A TRIGGER LEVEL:  +Peak}
 45.002  5520         0.5Vpp                       1kH            ZQ S6 S
 45.003  EVAL   Is {positive trigger level readout 0.449 to 0.551 V}?
 46.001  HEAD         A TRIGGER LEVEL:  {-Peak}
 46.002  DISP         TRIGGER SLOPE : -
 46.002  DISP
 46.003  5520         0.5Vpp                       1kH            ZQ S6 S
 46.004  EVAL   Is {negative trigger level readout +0.036 to -0.036 V}?
 47.001  HEAD         {B TRIGGER LEVEL:  +Peak}
 47.002  DISP         TRIGGER SLOPE : +
 47.002  DISP
 47.003  5520         0.5Vpp                       1kH            ZQ S6 S
 47.004  DISP         Set the TRIGGER LEVEL for a stable display.
 47.004  DISP
 47.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
 47.004  DISP         to TRIG AFT DLY.
 47.005  EVAL   Is {positive trigger level readout 0.449 to 0.551 V}?
 48.001  HEAD         B TRIGGER LEVEL:  {-Peak}
 48.002  DISP         TRIGGER SLOPE : -
 48.002  DISP
 48.003  5520         0.5Vpp                       1kH            ZQ S6 S
 48.004  EVAL   Is {negative trigger level readout +0.036 to -0.036 V}?
 49.001  DISP         Push the B SEC/DIV knob in.
 49.002  HEAD         {VOLTS/DIV ACCURACY:  .2 V/DIV}
 49.003  DISP         Press and release the Delta V pushbutton to
 49.003  DISP         reobtain the Delta V readout display.
 49.004  DISP         TRIGGER SLOPE : +
 49.004  DISP
 49.005  5520   0.2   1Vpp           2%            1kH            ZQ S6
 50.001  HEAD         {DELTA VOLTS READOUT}
 50.002  5520         1Vpp                         1kH            ZQ S6 S
 50.003  EVAL   Is {delta volts readout 0.981 to 1.020 V}?
 51.001  HEAD         {A TRIGGER LEVEL:  +Peak}
 51.002  5520         1Vpp                         1kH            ZQ S6 S
 51.003  EVAL   Is {positive trigger level readout 0.90 to 1.10 V}?
 52.001  HEAD         A TRIGGER LEVEL:  {-Peak}
 52.002  DISP         TRIGGER SLOPE : -
 52.002  DISP
 52.003  5520         1Vpp                         1kH            ZQ S6 S
 52.004  EVAL   Is {negative trigger level readout +0.07 to -0.07 V}?
 53.001  HEAD         {B TRIGGER LEVEL:  +Peak}
 53.002  DISP         TRIGGER SLOPE : +
 53.002  DISP
 53.003  5520         1Vpp                         1kH            ZQ S6 S
 53.004  DISP         Set the TRIGGER LEVEL for a stable display.
 53.004  DISP
 53.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
 53.004  DISP         to TRIG AFT DLY.
 53.005  EVAL   Is {positive trigger level readout 0.90 to 1.10 V}?
 54.001  HEAD         B TRIGGER LEVEL:  {-Peak}
 54.002  DISP         TRIGGER SLOPE : -
 54.002  DISP
 54.003  5520         1Vpp                         1kH            ZQ S6 S
 54.004  EVAL   Is {negative trigger level readout +0.07 to -0.07 V}?
 55.001  DISP         Push the B SEC/DIV knob in.
 55.002  HEAD         {VOLTS/DIV ACCURACY:  .5 V/DIV}
 55.003  DISP         Press and release the Delta V pushbutton to
 55.003  DISP         reobtain the Delta V readout display.
 55.004  DISP         TRIGGER SLOPE : +
 55.004  DISP
 55.005  5520   0.5   2Vpp           2%            1kH            ZQ S6
 56.001  HEAD         {DELTA VOLTS READOUT}
 56.002  5520         2Vpp                         1kH            ZQ S6 S
 56.003  EVAL   Is {delta volts readout 1.96 to 2.04 V}?
 57.001  HEAD         {A TRIGGER LEVEL:  +Peak}
 57.002  5520         2Vpp                         1kH            ZQ S6 S
 57.003  EVAL   Is {positive trigger level readout 1.78 to 2.22 V}?
 58.001  HEAD         A TRIGGER LEVEL:  {-Peak}
 58.002  DISP         TRIGGER SLOPE : -
 58.002  DISP
 58.003  5520         2Vpp                         1kH            ZQ S6 S
 58.004  EVAL   Is {negative trigger level readout +0.14 to -0.14 V}?
 59.001  HEAD         {B TRIGGER LEVEL:  +Peak}
 59.002  DISP         TRIGGER SLOPE : +
 59.002  DISP
 59.003  5520         2Vpp                         1kH            ZQ S6 S
 59.004  DISP         Set the TRIGGER LEVEL for a stable display.
 59.004  DISP
 59.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
 59.004  DISP         to TRIG AFT DLY.
 59.005  EVAL   Is {positive trigger level readout 1.78 to 2.22 V}?
 60.001  HEAD         B TRIGGER LEVEL:  {-Peak}
 60.002  DISP         TRIGGER SLOPE : -
 60.002  DISP
 60.003  5520         2Vpp                         1kH            ZQ S6 S
 60.004  EVAL   Is {negative trigger level readout +0.14 to -0.14 V}?
 61.001  DISP         Push the B SEC/DIV knob in.
 61.002  HEAD         {VOLTS/DIV ACCURACY:  1 V/DIV}
 61.003  DISP         Press and release the Delta V pushbutton to
 61.003  DISP         reobtain the Delta V readout display.
 61.004  DISP         TRIGGER SLOPE : +
 61.004  DISP
 61.005  5520   1     5Vpp           2%            1kH            ZQ S6
 62.001  HEAD         {DELTA VOLTS READOUT}
 62.002  5520         5Vpp                         1kH            ZQ S6 S
 62.003  EVAL   Is {delta volts readout 4.90 to 5.09 V}?
 63.001  HEAD         {A TRIGGER LEVEL:  +Peak}
 63.002  5520         5Vpp                         1kH            ZQ S6 S
 63.003  EVAL   Is {positive trigger level readout 4.50 to 5.50 V}?
 64.001  HEAD         A TRIGGER LEVEL:  {-Peak}
 64.002  DISP         TRIGGER SLOPE : -
 64.002  DISP
 64.003  5520         5Vpp                         1kH            ZQ S6 S
 64.004  EVAL   Is {negative trigger level readout +0.35 to -0.35 V}?
 65.001  HEAD         {B TRIGGER LEVEL:  +Peak}
 65.002  DISP         TRIGGER SLOPE : +
 65.002  DISP
 65.003  5520         5Vpp                         1kH            ZQ S6 S
 65.004  DISP         Set the TRIGGER LEVEL for a stable display.
 65.004  DISP
 65.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
 65.004  DISP         to TRIG AFT DLY.
 65.005  EVAL   Is {positive trigger level readout 4.50 to 5.50 V}?
 66.001  HEAD         B TRIGGER LEVEL:  {-Peak}
 66.002  DISP         TRIGGER SLOPE : -
 66.002  DISP
 66.003  5520         5Vpp                         1kH            ZQ S6 S
 66.004  EVAL   Is {negative trigger level readout +0.35 to -0.35 V}?
 67.001  DISP         Push the B SEC/DIV knob in.
 67.002  HEAD         {VOLTS/DIV ACCURACY:  2 V/DIV}
 67.003  DISP         Press and release the Delta V pushbutton to
 67.003  DISP         reobtain the Delta V readout display.
 67.004  DISP         TRIGGER SLOPE : +
 67.004  DISP
 67.005  5520   2     10Vpp          2%            1kH            ZQ S6
 68.001  HEAD         {DELTA VOLTS READOUT}
 68.002  5520         10Vpp                        1kH            ZQ S6 S
 68.003  EVAL   Is {delta volts readout 9.81 to 10.2 V}?
 69.001  HEAD         {A TRIGGER LEVEL:  +Peak}
 69.002  5520         10Vpp                        1kH            ZQ S6 S
 69.003  EVAL   Is {positive trigger level readout 9.0 to 11.0 V}?
 70.001  HEAD         A TRIGGER LEVEL:  {-Peak}
 70.002  DISP         TRIGGER SLOPE : -
 70.002  DISP
 70.003  5520         10Vpp                        1kH            ZQ S6 S
 70.004  EVAL   Is {negative trigger level readout +0.7 to -0.7 V}?
 71.001  HEAD         {B TRIGGER LEVEL:  +Peak}
 71.002  DISP         TRIGGER SLOPE : +
 71.002  DISP
 71.003  5520         10Vpp                        1kH            ZQ S6 S
 71.004  DISP         Set the TRIGGER LEVEL for a stable display.
 71.004  DISP
 71.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
 71.004  DISP         to TRIG AFT DLY.
 71.005  EVAL   Is {positive trigger level readout 9.0 to 11.0 V}?
 72.001  HEAD         B TRIGGER LEVEL:  {-Peak}
 72.002  DISP         TRIGGER SLOPE : -
 72.002  DISP
 72.003  5520         10Vpp                        1kH            ZQ S6 S
 72.004  EVAL   Is {negative trigger level readout +0.7 to -0.7 V}?
 73.001  DISP         Push the B SEC/DIV knob in.
 73.002  HEAD         {VOLTS/DIV ACCURACY:  5 V/DIV}
 73.003  DISP         Press and release the Delta V pushbutton to
 73.003  DISP         reobtain the Delta V readout display.
 73.004  DISP         TRIGGER SLOPE : +
 73.004  DISP
 73.005  5520   5     20Vpp          2%            1kH            ZQ S6
 74.001  HEAD         {DELTA VOLTS READOUT}
 74.002  5520         20Vpp                        1kH            ZQ S6 S
 74.003  EVAL   Is {delta volts readout 19.6 to 20.4 V}?
 75.001  HEAD         {A TRIGGER LEVEL:  +Peak}
 75.002  5520         20Vpp                        1kH            ZQ S6 S
 75.003  EVAL   Is {positive trigger level readout 17.8 to 22.2 V}?
 76.001  HEAD         A TRIGGER LEVEL:  {-Peak}
 76.002  DISP         TRIGGER SLOPE : -
 76.002  DISP
 76.003  5520         20Vpp                        1kH            ZQ S6 S
 76.004  EVAL   Is {negative trigger level readout +1.4 to -1.4 V}?
 77.001  HEAD         {B TRIGGER LEVEL:  +Peak}
 77.002  DISP         TRIGGER SLOPE : +
 77.002  DISP
 77.003  5520         20Vpp                        1kH            ZQ S6 S
 77.004  DISP         Set the TRIGGER LEVEL for a stable display.
 77.004  DISP
 77.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
 77.004  DISP         to TRIG AFT DLY.
 77.005  EVAL   Is {positive trigger level readout 17.8 to 22.2 V}?
 78.001  HEAD         B TRIGGER LEVEL:  {-Peak}
 78.002  DISP         TRIGGER SLOPE : -
 78.002  DISP
 78.003  5520         20Vpp                        1kH            ZQ S6 S
 78.004  EVAL   Is {negative trigger level readout +1.4 to -1.4 V}?
 79.001  DISP         Push the B SEC/DIV knob in.
 79.002  ASK-         N                J                          F        W
 79.003  ASK+   R D
 79.004  HEAD         {VARIABLE VOLTS/DIV}
 79.005  5520         25Vpp                        1kH            ZQ S6 S
 79.006  MESS         Check that display amplitude reduces to 2 divisions
 79.006  MESS         or less when the CH 1 VARIABLE VOLTS/DIV control
 79.006  MESS         is rotated fully CCW.
 79.006  MESS
 79.007  EVAL   Does {VAR VOLTS/DIV reduce amplitude to </= 2 divisions}?
 80.001  MESS
 80.002  DISP         Return the CH 1 VARIABLE VOLTS/DIV control to CAL.
 80.003  HEAD         {VERTICAL LINEARITY:  TOP}
 80.004  5520         10Vpp                        1kH            ZQ S6 S
 80.005  DISP         Use CH 1 POSITION control and vertically center display.
 80.006  MESS         Slew amplitude for a 2 division display.
 80.007  5520         10Vpp                        1kH            ZQ S6 N
 80.008  MATH         M[1] = MEM
 80.009  MESS
 80.010  DISP         Set the VERTICAL POSITION control to align the top
 80.010  DISP         edge of the display with the top graticule line.
 80.011  EVAL   Is {signal display amplitude 1.9 to 2.1 divisions}?
 81.001  HEAD         {VERTICAL LINEARITY:  BOTTOM}
 81.002  MATH         MEM = M[1]
 81.003  5520         1kH                          Vpp            ZQ S6 S
 81.004  DISP         Set the VERTICAL POSITION control to align the bottom
 81.004  DISP         edge of the display with the top graticule line.
 81.005  EVAL   Is {signal display amplitude 1.9 to 2.1 divisions}?
 82.001  HEAD         {CH 2 VOLTS/DIV, DELTA V, & TRIG LVL READOUT}
 82.002  ASK+         N
 82.003  DISP         MAKE THE FOLLOWING CONNECTION...
 82.003  DISP
 82.003  DISP         5520 SCOPE OUTPUT --------- CH 2 INPUT
 82.004  HEAD         {VOLTS/DIV ACCURACY:  2 mV/DIV}
 82.005  DISP         VERTICAL MODE             : CH 2
 82.005  DISP         TRIG SOURCE               : CH 2
 82.006  5520   2     10mVpp         2%            1kH            ZQ S6
 83.001  HEAD         {DELTA VOLTS READOUT}
 83.002  5520         10mVpp                       1kH            ZQ S6 S
 83.003  EVAL   Is {delta volts readout 9.81 to 10.20 mV}?
 84.001  HEAD         {A TRIGGER LEVEL:  +Peak}
 84.002  5520         10mVpp                       1kH            ZQ S6 S
 84.003  EVAL   Is {positive trigger level readout 8.5 to 11.5 mV}?
 85.001  HEAD         A TRIGGER LEVEL:  {-Peak}
 85.002  DISP         TRIGGER SLOPE : -
 85.002  DISP
 85.003  5520         10mVpp                       1kH            ZQ S6 S
 85.004  EVAL   Is {negative trigger level readout +1.2 to -1.2 mV}?
 86.001  HEAD         {B TRIGGER LEVEL:  +Peak}
 86.002  DISP         TRIGGER SLOPE : +
 86.002  DISP
 86.003  5520         10mVpp                       1kH            ZQ S6 S
 86.004  DISP         Set the TRIGGER LEVEL for a stable display.
 86.004  DISP
 86.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
 86.004  DISP         to TRIG AFT DLY.
 86.005  DISP         Adjust Delta REF OR DLY POS control for a
 86.005  DISP         delay readout of 0.000 ms.
 86.006  EVAL   Is {positive trigger level readout 8.5 to 11.5 mV}?
 87.001  HEAD         B TRIGGER LEVEL:  {-Peak}
 87.002  DISP         TRIGGER SLOPE : -
 87.002  DISP
 87.003  5520         10mVpp                       1kH            ZQ S6 S
 87.004  EVAL   Is {negative trigger level readout +1.2 to -1.2 mV}?
 88.001  DISP         Push the B SEC/DIV knob in.
 88.002  HEAD         {VOLTS/DIV ACCURACY:  5 mV/DIV}
 88.003  DISP         Press and release the Delta V pushbutton to
 88.003  DISP         reobtain the Delta V readout display.
 88.004  DISP         TRIGGER SLOPE : +
 88.004  DISP
 88.005  5520   5     20mVpp         2%            1kH            ZQ S6
 89.001  HEAD         {DELTA VOLTS READOUT}
 89.002  5520         20mVpp                       1kH            ZQ S6 S
 89.003  EVAL   Is {delta volts readout 19.6 to 20.4 mV}?
 90.001  HEAD         {A TRIGGER LEVEL:  +Peak}
 90.002  5520         20mVpp                       1kH            ZQ S6 S
 90.003  EVAL   Is {positive trigger level readout 17.3 to 22.7 mV}?
 91.001  HEAD         A TRIGGER LEVEL:  {-Peak}
 91.002  DISP         TRIGGER SLOPE : -
 91.002  DISP
 91.003  5520         20mVpp                       1kH            ZQ S6 S
 91.004  EVAL   Is {negative trigger level readout +2.1 to -2.1 mV}?
 92.001  HEAD         {B TRIGGER LEVEL:  +Peak}
 92.002  DISP         TRIGGER SLOPE : +
 92.002  DISP
 92.003  5520         20mVpp                       1kH            ZQ S6 S
 92.004  DISP         Set the TRIGGER LEVEL for a stable display.
 92.004  DISP
 92.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
 92.004  DISP         to TRIG AFT DLY.
 92.005  EVAL   Is {positive trigger level readout 17.3 to 22.7 mV}?
 93.001  HEAD         B TRIGGER LEVEL:  {-Peak}
 93.002  DISP         TRIGGER SLOPE : -
 93.002  DISP
 93.003  5520         20mVpp                       1kH            ZQ S6 S
 93.004  EVAL   Is {negative trigger level readout +2.1 to -2.1 mV}?
 94.001  DISP         Push the B SEC/DIV knob in.
 94.002  HEAD         {VOLTS/DIV ACCURACY:  10 mV/DIV}
 94.003  DISP         Press and release the Delta V pushbutton to
 94.003  DISP         reobtain the Delta V readout display.
 94.004  DISP         TRIGGER SLOPE : +
 94.004  DISP
 94.005  5520   10    50mVpp         2%            1kH            ZQ S6
 95.001  HEAD         {DELTA VOLTS READOUT}
 95.002  5520         50mVpp                       1kH            ZQ S6 S
 95.003  EVAL   Is {delta volts readout 49.0 to 50.9 mV}?
 96.001  HEAD         {A TRIGGER LEVEL:  +Peak}
 96.002  5520         50mVpp                       1kH            ZQ S6 S
 96.003  EVAL   Is {positive trigger level readout 44.5 to 55.5 mV}?
 97.001  HEAD         A TRIGGER LEVEL:  {-Peak}
 97.002  DISP         TRIGGER SLOPE : -
 97.002  DISP
 97.003  5520         50mVpp                       1kH            ZQ S6 S
 97.004  EVAL   Is {negative trigger level readout +4 to -4 mV}?
 98.001  HEAD         {B TRIGGER LEVEL:  +Peak}
 98.002  DISP         TRIGGER SLOPE : +
 98.002  DISP
 98.003  5520         50mVpp                       1kH            ZQ S6 S
 98.004  DISP         Set the TRIGGER LEVEL for a stable display.
 98.004  DISP
 98.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
 98.004  DISP         to TRIG AFT DLY.
 98.005  EVAL   Is {positive trigger level readout 44.5 to 55.5 mV}?
 99.001  HEAD         B TRIGGER LEVEL:  {-Peak}
 99.002  DISP         TRIGGER SLOPE : -
 99.002  DISP
 99.003  5520         50mVpp                       1kH            ZQ S6 S
 99.004  EVAL   Is {negative trigger level readout +4 to -4 mV}?
100.001  DISP         Push the B SEC/DIV knob in.
100.002  HEAD         {VOLTS/DIV ACCURACY:  20 mV/DIV}
100.003  DISP         Press and release the Delta V pushbutton to
100.003  DISP         reobtain the Delta V readout display.
100.004  DISP         TRIGGER SLOPE : +
100.004  DISP
100.005  5520   20    100mVpp        2%            1kH            ZQ S6
101.001  HEAD         {DELTA VOLTS READOUT}
101.002  5520         100mVpp                      1kH            ZQ S6 S
101.003  EVAL   Is {delta volts readout 98.1 to 102.0 mV}?
102.001  HEAD         {A TRIGGER LEVEL:  +Peak}
102.002  5520         100mVpp                      1kH            ZQ S6 S
102.003  EVAL   Is {positive trigger level readout 89 to 111 mV}?
103.001  HEAD         A TRIGGER LEVEL:  {-Peak}
103.002  DISP         TRIGGER SLOPE : -
103.002  DISP
103.003  5520         100mVpp                      1kH            ZQ S6 S
103.004  EVAL   Is {negative trigger level readout +7.5 to -7.5 mV}?
104.001  HEAD         {B TRIGGER LEVEL:  +Peak}
104.002  DISP         TRIGGER SLOPE : +
104.002  DISP
104.003  5520         100mVpp                      1kH            ZQ S6 S
104.004  DISP         Set the TRIGGER LEVEL for a stable display.
104.004  DISP
104.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
104.004  DISP         to TRIG AFT DLY.
104.005  EVAL   Is {positive trigger level readout 89 to 111 mV}?
105.001  HEAD         B TRIGGER LEVEL:  {-Peak}
105.002  DISP         TRIGGER SLOPE : -
105.002  DISP
105.003  5520         100mVpp                      1kH            ZQ S6 S
105.004  EVAL   Is {negative trigger level readout +7.5 to -7.5 mV}?
106.001  DISP         Push the B SEC/DIV knob in.
106.002  HEAD         {VOLTS/DIV ACCURACY:  50 mV/DIV}
106.003  DISP         Press and release the Delta V pushbutton to
106.003  DISP         reobtain the Delta V readout display.
106.004  DISP         TRIGGER SLOPE : +
106.004  DISP
106.005  5520   50    200mVpp        2%            1kH            ZQ S6
107.001  HEAD         {DELTA VOLTS READOUT}
107.002  5520         200mVpp                      1kH            ZQ S6 S
107.003  EVAL   Is {delta volts readout 196 to 204 mV}?
108.001  HEAD         {A TRIGGER LEVEL:  +Peak}
108.002  5520         200mVpp                      1kH            ZQ S6 S
108.003  EVAL   Is {positive trigger level readout 177 to 223 mV}?
109.001  HEAD         A TRIGGER LEVEL:  {-Peak}
109.002  DISP         TRIGGER SLOPE : -
109.002  DISP
109.003  5520         200mVpp                      1kH            ZQ S6 S
109.004  EVAL   Is {negative trigger level readout +17 to -17 mV}?
110.001  HEAD         {NOISE REJ:  +Peak}
110.002  DISP         TRIGGER SLOPE : +
110.002  DISP
110.003  DISP         TRIGGER COUPLING : NOISE REJ
110.004  5520         200mVpp                      1kH            ZQ S6 S
110.005  EVAL   Is {positive trigger level readout 147 to 253 mV}?
111.001  HEAD         {NOISE REJ:  -Peak}
111.002  DISP         TRIGGER SLOPE : -
111.002  DISP
111.003  5520         200mVpp                      1kH            ZQ S6 S
111.004  EVAL   Is {negative trigger level readout +47 to -47 mV}?
112.001  HEAD         {B TRIGGER LEVEL:  +Peak}
112.002  DISP         TRIGGER SLOPE : +
112.002  DISP
112.003  DISP         TRIGGER COUPLING : DC
112.004  5520         200mVpp                      1kH            ZQ S6 S
112.005  DISP         Set the TRIGGER LEVEL for a stable display.
112.005  DISP
112.005  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
112.005  DISP         to TRIG AFT DLY.
112.006  EVAL   Is {positive trigger level readout 177 to 223 mV}?
113.001  HEAD         B TRIGGER LEVEL:  {-Peak}
113.002  DISP         TRIGGER SLOPE : -
113.002  DISP
113.003  5520         200mVpp                      1kH            ZQ S6 S
113.004  EVAL   Is {negative trigger level readout +17 to -17 mV}?
114.001  DISP         Push the B SEC/DIV knob in.
114.002  HEAD         {VOLTS/DIV ACCURACY:  .1 V/DIV}
114.003  DISP         Press and release the Delta V pushbutton to
114.003  DISP         reobtain the Delta V readout display.
114.004  DISP         TRIGGER SLOPE : +
114.004  DISP
114.005  5520   0.1   0.5Vpp         2%            1kH            ZQ S6
115.001  HEAD         {DELTA VOLTS READOUT}
115.002  5520         0.5Vpp                       1kH            ZQ S6 S
115.003  EVAL   Is {delta volts readout 490 to 509 mV}?
116.001  HEAD         {A TRIGGER LEVEL:  +Peak}
116.002  5520         0.5Vpp                       1kH            ZQ S6 S
116.003  EVAL   Is {positive trigger level readout 0.449 to 0.551 V}?
117.001  HEAD         A TRIGGER LEVEL:  {-Peak}
117.002  DISP         TRIGGER SLOPE : -
117.002  DISP
117.003  5520         0.5Vpp                       1kH            ZQ S6 S
117.004  EVAL   Is {negative trigger level readout +0.036 to -0.036 V}?
118.001  HEAD         {B TRIGGER LEVEL:  +Peak}
118.002  DISP         TRIGGER SLOPE : +
118.002  DISP
118.003  5520         0.5Vpp                       1kH            ZQ S6 S
118.004  DISP         Set the TRIGGER LEVEL for a stable display.
118.004  DISP
118.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
118.004  DISP         to TRIG AFT DLY.
118.005  EVAL   Is {positive trigger level readout 0.449 to 0.551 V}?
119.001  HEAD         B TRIGGER LEVEL:  {-Peak}
119.002  DISP         TRIGGER SLOPE : -
119.002  DISP
119.003  5520         0.5Vpp                       1kH            ZQ S6 S
119.004  EVAL   Is {negative trigger level readout +0.036 to -0.036 V}?
120.001  DISP         Push the B SEC/DIV knob in.
120.002  HEAD         {VOLTS/DIV ACCURACY:  .2 V/DIV}
120.003  DISP         Press and release the Delta V pushbutton to
120.003  DISP         reobtain the Delta V readout display.
120.004  DISP         TRIGGER SLOPE : +
120.004  DISP
120.005  5520   0.2   1Vpp           2%            1kH            ZQ S6
121.001  HEAD         {DELTA VOLTS READOUT}
121.002  5520         1Vpp                         1kH            ZQ S6 S
121.003  EVAL   Is {delta volts readout 0.981 to 1.020 V}?
122.001  HEAD         {A TRIGGER LEVEL:  +Peak}
122.002  5520         1Vpp                         1kH            ZQ S6 S
122.003  EVAL   Is {positive trigger level readout 0.90 to 1.10 V}?
123.001  HEAD         A TRIGGER LEVEL:  {-Peak}
123.002  DISP         TRIGGER SLOPE : -
123.002  DISP
123.003  5520         1Vpp                         1kH            ZQ S6 S
123.004  EVAL   Is {negative trigger level readout +0.07 to -0.07 V}?
124.001  HEAD         {B TRIGGER LEVEL:  +Peak}
124.002  DISP         TRIGGER SLOPE : +
124.002  DISP
124.003  5520         1Vpp                         1kH            ZQ S6 S
124.004  DISP         Set the TRIGGER LEVEL for a stable display.
124.004  DISP
124.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
124.004  DISP         to TRIG AFT DLY.
124.005  EVAL   Is {positive trigger level readout 0.90 to 1.10 V}?
125.001  HEAD         B TRIGGER LEVEL:  {-Peak}
125.002  DISP         TRIGGER SLOPE : -
125.002  DISP
125.003  5520         1Vpp                         1kH            ZQ S6 S
125.004  EVAL   Is {negative trigger level readout +0.07 to -0.07 V}?
126.001  DISP         Push the B SEC/DIV knob in.
126.002  HEAD         {VOLTS/DIV ACCURACY:  .5 V/DIV}
126.003  DISP         Press and release the Delta V pushbutton to
126.003  DISP         reobtain the Delta V readout display.
126.004  DISP         TRIGGER SLOPE : +
126.004  DISP
126.005  5520   0.5   2Vpp           2%            1kH            ZQ S6
127.001  HEAD         {DELTA VOLTS READOUT}
127.002  5520         2Vpp                         1kH            ZQ S6 S
127.003  EVAL   Is {delta volts readout 1.96 to 2.04 V}?
128.001  HEAD         {A TRIGGER LEVEL:  +Peak}
128.002  5520         2Vpp                         1kH            ZQ S6 S
128.003  EVAL   Is {positive trigger level readout 1.78 to 2.22 V}?
129.001  HEAD         A TRIGGER LEVEL:  {-Peak}
129.002  DISP         TRIGGER SLOPE : -
129.002  DISP
129.003  5520         2Vpp                         1kH            ZQ S6 S
129.004  EVAL   Is {negative trigger level readout +0.14 to -0.14 V}?
130.001  HEAD         {B TRIGGER LEVEL:  +Peak}
130.002  DISP         TRIGGER SLOPE : +
130.002  DISP
130.003  5520         2Vpp                         1kH            ZQ S6 S
130.004  DISP         Set the TRIGGER LEVEL for a stable display.
130.004  DISP
130.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
130.004  DISP         to TRIG AFT DLY.
130.005  EVAL   Is {positive trigger level readout 1.78 to 2.22 V}?
131.001  HEAD         B TRIGGER LEVEL:  {-Peak}
131.002  DISP         TRIGGER SLOPE : -
131.002  DISP
131.003  5520         2Vpp                         1kH            ZQ S6 S
131.004  EVAL   Is {negative trigger level readout +0.14 to -0.14 V}?
132.001  DISP         Push the B SEC/DIV knob in.
132.002  HEAD         {VOLTS/DIV ACCURACY:  1 V/DIV}
132.003  DISP         Press and release the Delta V pushbutton to
132.003  DISP         reobtain the Delta V readout display.
132.004  DISP         TRIGGER SLOPE : +
132.004  DISP
132.005  5520   1     5Vpp           2%            1kH            ZQ S6
133.001  HEAD         {DELTA VOLTS READOUT}
133.002  5520         5Vpp                         1kH            ZQ S6 S
133.003  EVAL   Is {delta volts readout 4.90 to 5.09 V}?
134.001  HEAD         {A TRIGGER LEVEL:  +Peak}
134.002  5520         5Vpp                         1kH            ZQ S6 S
134.003  EVAL   Is {positive trigger level readout 4.50 to 5.50 V}?
135.001  HEAD         A TRIGGER LEVEL:  {-Peak}
135.002  DISP         TRIGGER SLOPE : -
135.002  DISP
135.003  5520         5Vpp                         1kH            ZQ S6 S
135.004  EVAL   Is {negative trigger level readout +0.35 to -0.35 V}?
136.001  HEAD         {B TRIGGER LEVEL:  +Peak}
136.002  DISP         TRIGGER SLOPE : +
136.002  DISP
136.003  5520         5Vpp                         1kH            ZQ S6 S
136.004  DISP         Set the TRIGGER LEVEL for a stable display.
136.004  DISP
136.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
136.004  DISP         to TRIG AFT DLY.
136.005  EVAL   Is {positive trigger level readout 4.50 to 5.50 V}?
137.001  HEAD         B TRIGGER LEVEL:  {-Peak}
137.002  DISP         TRIGGER SLOPE : -
137.002  DISP
137.003  5520         5Vpp                         1kH            ZQ S6 S
137.004  EVAL   Is {negative trigger level readout +0.35 to -0.35 V}?
138.001  DISP         Push the B SEC/DIV knob in.
138.002  HEAD         {VOLTS/DIV ACCURACY:  2 V/DIV}
138.003  DISP         Press and release the Delta V pushbutton to
138.003  DISP         reobtain the Delta V readout display.
138.004  DISP         TRIGGER SLOPE : +
138.004  DISP
138.005  5520   2     10Vpp          2%            1kH            ZQ S6
139.001  HEAD         {DELTA VOLTS READOUT}
139.002  5520         10Vpp                        1kH            ZQ S6 S
139.003  EVAL   Is {delta volts readout 9.81 to 10.2 V}?
140.001  HEAD         {A TRIGGER LEVEL:  +Peak}
140.002  5520         10Vpp                        1kH            ZQ S6 S
140.003  EVAL   Is {positive trigger level readout 9.0 to 11.0 V}?
141.001  HEAD         A TRIGGER LEVEL:  {-Peak}
141.002  DISP         TRIGGER SLOPE : -
141.002  DISP
141.003  5520         10Vpp                        1kH            ZQ S6 S
141.004  EVAL   Is {negative trigger level readout +0.7 to -0.7 V}?
142.001  HEAD         {B TRIGGER LEVEL:  +Peak}
142.002  DISP         TRIGGER SLOPE : +
142.002  DISP
142.003  5520         10Vpp                        1kH            ZQ S6 S
142.004  DISP         Set the TRIGGER LEVEL for a stable display.
142.004  DISP
142.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
142.004  DISP         to TRIG AFT DLY.
142.005  EVAL   Is {positive trigger level readout 9.0 to 11.0 V}?
143.001  HEAD         B TRIGGER LEVEL:  {-Peak}
143.002  DISP         TRIGGER SLOPE : -
143.002  DISP
143.003  5520         10Vpp                        1kH            ZQ S6 S
143.004  EVAL   Is {negative trigger level readout +0.7 to -0.7 V}?
144.001  DISP         Push the B SEC/DIV knob in.
144.002  HEAD         {VOLTS/DIV ACCURACY:  5 V/DIV}
144.003  DISP         Press and release the Delta V pushbutton to
144.003  DISP         reobtain the Delta V readout display.
144.004  DISP         TRIGGER SLOPE : +
144.004  DISP
144.005  5520   5     20Vpp          2%            1kH            ZQ S6
145.001  HEAD         {DELTA VOLTS READOUT}
145.002  5520         20Vpp                        1kH            ZQ S6 S
145.003  EVAL   Is {delta volts readout 19.6 to 20.4 V}?
146.001  HEAD         {A TRIGGER LEVEL:  +Peak}
146.002  5520         20Vpp                        1kH            ZQ S6 S
146.003  EVAL   Is {positive trigger level readout 17.8 to 22.2 V}?
147.001  HEAD         A TRIGGER LEVEL:  {-Peak}
147.002  DISP         TRIGGER SLOPE : -
147.002  DISP
147.003  5520         20Vpp                        1kH            ZQ S6 S
147.004  EVAL   Is {negative trigger level readout +1.4 to -1.4 V}?
148.001  ASK-   R     N                J                          F        W
148.002  ASK+     D
148.003  HEAD         {B TRIGGER LEVEL:  +Peak}
148.004  DISP         TRIGGER SLOPE : +
148.004  DISP
148.005  5520         20Vpp                        1kH            ZQ S6 S
148.006  DISP         Set the TRIGGER LEVEL for a stable display.
148.006  DISP
148.006  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
148.006  DISP         to TRIG AFT DLY.
148.007  EVAL   Is {positive trigger level readout 17.8 to 22.2 V}?
149.001  HEAD         B TRIGGER LEVEL:  {-Peak}
149.002  DISP         TRIGGER SLOPE : -
149.002  DISP
149.003  5520         20Vpp                        1kH            ZQ S6 S
149.004  EVAL   Is {negative trigger level readout +1.4 to -1.4 V}?
150.001  DISP         Push the B SEC/DIV knob in.
150.002  HEAD         {VARIABLE VOLTS/DIV}
150.003  5520         25Vpp                        1kH            ZQ S6 S
150.004  MESS         Check that display amplitude reduces to 2 divisions
150.004  MESS         or less when the CH 2 VARIABLE VOLTS/DIV control
150.004  MESS         is rotated fully CCW.
150.004  MESS
150.005  EVAL   Does {VAR VOLTS/DIV reduce amplitude to </= 2 divisions}?
151.001  DISP         Return the CH 2 VARIABLE VOLTS/DIV control to CAL.
151.002  HEAD         {VERTICAL LINEARITY:  TOP}
151.003  5520         10Vpp                        1kH            ZQ S6 S
151.004  DISP         Use CH 2 POSITION control and vertically center display.
151.005  MESS         Slew amplitude for a 2 division display.
151.006  5520         10Vpp                        1kH            ZQ S6 N
151.007  MATH         M[1] = MEM
151.008  MESS
151.009  DISP         Set the VERTICAL POSITION control to align the top
151.009  DISP         edge of the display with the top graticule line.
151.010  EVAL   Is {signal display amplitude 1.9 to 2.1 divisions}?
152.001  HEAD         {VERTICAL LINEARITY:  BOTTOM}
152.002  MATH         MEM = M[1]
152.003  5520         1kH                          Vpp            ZQ S6 S
152.004  DISP         Set the VERTICAL POSITION control to align the bottom
152.004  DISP         edge of the display with the top graticule line.
152.005  EVAL   Is {signal display amplitude 1.9 to 2.1 divisions}?
153.001  HEAD         {CURSOR POSITION:  MINIMUM}
153.002  DISP         Press and release the Delta V pushbutton to
153.002  DISP         reobtain the Delta V readout display.
153.003  DISP         Rotate the Delta REF OR DLY control CCW until
153.003  DISP         the cursor stops moving.
153.004  EVAL   Is {cursor alinged with bottom grat. line +/- 0.2 divisions}?
154.001  HEAD         {CURSOR POSITION:  MAXIMUM}
154.002  DISP         Rotate the Delta control CW until the cursor
154.002  DISP         stops moving.
154.003  EVAL   Is {cursor alinged with top grat. line +/- 0.2 divisions}?
155.001  HEAD         {INVERT MODE}
155.002  DISP         INVERT : ON (button in)
155.003  MESS         Slew amplitude for a 5 division display.
155.004  5520         25Vpp                        1kH            ZQ S6 N
155.005  MATH         M[1] = MEM
155.006  MESS
155.007  EVAL   Does {down-arrow appear to left of CH 2 VOLTS/DIV readout}?
156.001  MATH         MEM = M[1]
156.002  5520         1kH                          Vpp            ZQ S6 S
156.003  EVAL   Is {amplitude between 4.9 and 5.1 divisions}?
157.001  DISP         INVERT : OFF (button out)
157.002  HEAD         {ADD MODE}
157.003  DISP         Connect the 5520 SCOPE OUTPUT to CH 1 & CH 2 inputs via
157.003  DISP         a 50 Ohm BNC cable and a Dual-Input Coupler.
157.003  DISP
157.003  DISP         CH 1 & CH 2 VOLTS/DIV : 2 V
157.003  DISP         VERTICAL MODE         : CH 1 & CH 2 OFF, ADD ON
157.004  5520         5Vpp                         1kH            ZQ S6 S
157.005  EVAL   Is {amplitude 4.9 to 5.1 divisions}?
158.001  HEAD         ADD MODE:  {INVERT ON}
158.002  5520         5Vpp                         1kH            ZQ S6 S
158.003  MESS         Check that signal amplitude reduces to 0.2 divisions
158.003  MESS         or less when CH 2 INVERT is ON (button in).
158.003  MESS
158.004  EVAL   Is {amplitude </= 0.2 divisions}?
159.001  MESS
159.002  HEAD         {CH 3 VOLTS/DIV & TRIG LVL READOUT}
159.003  DISP         Move the Dual-Input Coupler to the CH 3 & CH 4 inputs.
159.003  DISP
159.003  DISP         VERTICAL MODE : CH 3 ON, All others OFF
159.003  DISP         TRIG SOURCE   : CH 3
159.004  HEAD         {VOLTS/DIV ACCURACY:  .1 V/DIV}
159.005  ASK+   R     N
159.006  5520   0.1   0.5Vpp         10%           1kH            ZQ S6
160.001  HEAD         {A TRIGGER LEVEL:  +Peak}
160.002  5520         0.5Vpp                       1kH            ZQ S6 S
160.003  EVAL   Is {positive trigger level readout 0.454 to 0.545 V}?
161.001  HEAD         A TRIGGER LEVEL:  {-Peak}
161.002  DISP         TRIGGER SLOPE : -
161.002  DISP
161.003  5520         0.5Vpp                       1kH            ZQ S6 S
161.004  EVAL   Is {negative trigger level readout +0.03 to -0.03 V}?
162.001  HEAD         {B TRIGGER LEVEL:  +Peak}
162.002  DISP         TRIGGER SLOPE : +
162.002  DISP
162.003  5520         0.5Vpp                       1kH            ZQ S6 S
162.004  DISP         Set the TRIGGER LEVEL for a stable display.
162.004  DISP
162.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
162.004  DISP         to TRIG AFT DLY.
162.005  EVAL   Is {positive trigger level readout 0.454 to 0.545 V}?
163.001  HEAD         B TRIGGER LEVEL:  {-Peak}
163.002  DISP         TRIGGER SLOPE : -
163.002  DISP
163.003  5520         0.5Vpp                       1kH            ZQ S6 S
163.004  EVAL   Is {negative trigger level readout +0.03 to -0.03 V}?
164.001  DISP         Push the B SEC/DIV knob in.
164.002  HEAD         {VOLTS/DIV ACCURACY:  .5 V/DIV}
164.003  DISP         TRIGGER SLOPE : +
164.003  DISP
164.004  5520   0.5   2Vpp           10%           1kH            ZQ S6
165.001  HEAD         {A TRIGGER LEVEL:  +Peak}
165.002  5520         2Vpp                         1kH            ZQ S6 S
165.003  EVAL   Is {positive trigger level readout 1.81 to 2.19 V}?
166.001  HEAD         A TRIGGER LEVEL:  {-Peak}
166.002  DISP         TRIGGER SLOPE : -
166.002  DISP
166.003  5520         2Vpp                         1kH            ZQ S6 S
166.004  EVAL   Is {negative trigger level readout +0.13 to -0.13 V}?
167.001  HEAD         {B TRIGGER LEVEL:  +Peak}
167.002  DISP         TRIGGER SLOPE : +
167.002  DISP
167.003  5520         2Vpp                         1kH            ZQ S6 S
167.004  DISP         Set the TRIGGER LEVEL for a stable display.
167.004  DISP
167.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
167.004  DISP         to TRIG AFT DLY.
167.005  EVAL   Is {positive trigger level readout 1.81 to 2.19 V}?
168.001  HEAD         B TRIGGER LEVEL:  {-Peak}
168.002  DISP         TRIGGER SLOPE : -
168.002  DISP
168.003  5520         2Vpp                         1kH            ZQ S6 S
168.004  EVAL   Is {negative trigger level readout +0.13 to -0.13 V}?
169.001  HEAD         {VERTICAL LINEARITY:  TOP}
169.002  5520         1Vpp                         1kH            ZQ S6 S
169.003  DISP         Use CH 3 POSITION control and vertically center display.
169.004  MESS         Slew amplitude for a 2 division display.
169.005  5520         1Vpp                         1kH            ZQ S6 N
169.006  MATH         M[1] = MEM
169.007  MESS
169.008  DISP         Set the VERTICAL POSITION control to align the top
169.008  DISP         edge of the display with the top graticule line.
169.009  EVAL   Is {signal display amplitude 1.9 to 2.1 divisions}?
170.001  HEAD         {VERTICAL LINEARITY:  BOTTOM}
170.002  MATH         MEM = M[1]
170.003  5520         1kH                          Vpp            ZQ S6 S
170.004  DISP         Set the VERTICAL POSITION control to align the bottom
170.004  DISP         edge of the display with the top graticule line.
170.005  EVAL   Is {signal display amplitude 1.9 to 2.1 divisions}?
171.001  DISP         Push the B SEC/DIV knob in.
171.002  HEAD         {CH 4 VOLTS/DIV & TRIG LVL READOUT}
171.003  DISP         VERTICAL MODE : CH 4 ON, All others OFF
171.003  DISP         TRIG SOURCE   : CH 4
171.004  HEAD         {VOLTS/DIV ACCURACY:  .1 V/DIV}
171.005  DISP         TRIGGER SLOPE : +
171.005  DISP
171.006  5520   0.1   0.5Vpp         10%           1kH            ZQ S6
172.001  HEAD         {A TRIGGER LEVEL:  +Peak}
172.002  5520         0.5Vpp                       1kH            ZQ S6 S
172.003  EVAL   Is {positive trigger level readout 0.454 to 0.545 V}?
173.001  HEAD         A TRIGGER LEVEL:  {-Peak}
173.002  DISP         TRIGGER SLOPE : -
173.002  DISP
173.003  5520         0.5Vpp                       1kH            ZQ S6 S
173.004  EVAL   Is {negative trigger level readout +0.03 to -0.03 V}?
174.001  HEAD         {B TRIGGER LEVEL:  +Peak}
174.002  DISP         TRIGGER SLOPE : +
174.002  DISP
174.003  5520         0.5Vpp                       1kH            ZQ S6 S
174.004  DISP         Set the TRIGGER LEVEL for a stable display.
174.004  DISP
174.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
174.004  DISP         to TRIG AFT DLY.
174.005  EVAL   Is {positive trigger level readout 0.454 to 0.545 V}?
175.001  HEAD         B TRIGGER LEVEL:  {-Peak}
175.002  DISP         TRIGGER SLOPE : -
175.002  DISP
175.003  5520         0.5Vpp                       1kH            ZQ S6 S
175.004  EVAL   Is {negative trigger level readout +0.03 to -0.03 V}?
176.001  DISP         Push the B SEC/DIV knob in.
176.002  HEAD         {VOLTS/DIV ACCURACY:  .5 V/DIV}
176.003  DISP         TRIGGER SLOPE : +
176.003  DISP
176.004  5520   0.5   2Vpp           10%           1kH            ZQ S6
177.001  HEAD         {A TRIGGER LEVEL:  +Peak}
177.002  5520         2Vpp                         1kH            ZQ S6 S
177.003  EVAL   Is {positive trigger level readout 1.81 to 2.19 V}?
178.001  HEAD         A TRIGGER LEVEL:  {-Peak}
178.002  DISP         TRIGGER SLOPE : -
178.002  DISP
178.003  5520         2Vpp                         1kH            ZQ S6 S
178.004  EVAL   Is {negative trigger level readout +0.13 to -0.13 V}?
179.001  HEAD         {B TRIGGER LEVEL:  +Peak}
179.002  DISP         TRIGGER SLOPE : +
179.002  DISP
179.003  5520         2Vpp                         1kH            ZQ S6 S
179.004  DISP         Set the TRIGGER LEVEL for a stable display.
179.004  DISP
179.004  DISP         Pull the SEC/DIV knob out and set the B TRIGGER MODE
179.004  DISP         to TRIG AFT DLY.
179.005  EVAL   Is {positive trigger level readout 1.81 to 2.19 V}?
180.001  HEAD         B TRIGGER LEVEL:  {-Peak}
180.002  DISP         TRIGGER SLOPE : -
180.002  DISP
180.003  5520         2Vpp                         1kH            ZQ S6 S
180.004  EVAL   Is {negative trigger level readout +0.13 to -0.13 V}?
181.001  HEAD         {VERTICAL LINEARITY:  TOP}
181.002  5520         1Vpp                         1kH            ZQ S6 S
181.003  DISP         Use CH 4 POSITION control and vertically center display.
181.004  MESS         Slew amplitude for a 2 division display.
181.005  5520         1Vpp                         1kH            ZQ S6 N
181.006  MATH         M[1] = MEM
181.007  MESS
181.008  DISP         Set the VERTICAL POSITION control to align the top
181.008  DISP         edge of the display with the top graticule line.
181.009  EVAL   Is {signal display amplitude 1.9 to 2.1 divisions}?
182.001  HEAD         {VERTICAL LINEARITY:  BOTTOM}
182.002  MATH         MEM = M[1]
182.003  5520         1kH                          Vpp            ZQ S6 S
182.004  DISP         Set the VERTICAL POSITION control to align the bottom
182.004  DISP         edge of the display with the top graticule line.
182.005  EVAL   Is {signal display amplitude 1.9 to 2.1 divisions}?
183.001  DISP         Push the B SEC/DIV knob in.
183.002  ASK-   R     N                J                          F        W
183.003  ASK+     D
183.004  HEAD         {CHANNEL 2 DELAY}
183.005  DISP         Connect the 5520 SCOPE OUTPUT to CH 1 and CH 2 inputs.
183.005  DISP
183.005  DISP         VERTICAL MODE         : CH 1 & CH 2 ON
183.005  DISP         CH 1 & CH 2 COUPLING  : 50 Ohm DC
183.005  DISP         CH 1 & CH 2 VOLTS/DIV : 10 mV
183.005  DISP         A and B SEC/DIV       : 1 us (knobs locked)
183.005  DISP         TRIGGER SOURCE        : CH 1
183.006  5520         50mVpp                       100kH          ED S6 S  L
183.007  DISP         Vertically center both channels.
183.007  DISP
183.007  DISP         Use either the CH 1 or CH 2 VAR control to
183.007  DISP         match signal amplitude between both channels.
183.008  DISP         A and B SEC/DIV : 10 ns (knobs locked)
183.008  DISP         X10 MAG         : On (button in)
183.008  DISP
183.008  DISP         Use the Horizontal POSITION control to
183.008  DISP         move the rising edges of the CH 1 and CH 2
183.008  DISP         displays to graticule center.
183.009  DISP         Pull the B SEC/DIV knob out to activate the CH 2 DLY.
183.010  OPBR         Does readout display "CH 2 DLY DISABLED"?
183.011  JMPF         183.014
183.012  RSLT         =CH 2 DLY DISABLED- CH 2 DELAY NOT TESTED!
183.013  JMP          184.003
183.014  MESS         Check that DELTA control will position the CH 2
183.014  MESS         display 1/2 division or more (500 pS) to either
183.014  MESS         side of the CH 1 display.
183.014  MESS
183.015  EVAL   Will {CH 2 delay more than 500 pS to either side of CH 1}?
184.001  5520         50mVpp                       100kH          ED S6 S  L
184.002  DISP         Superimpose the rising edges of the pulses
184.002  DISP         using the A control.
184.002  DISP
184.002  DISP         Turn X10 MAG off (button out) and push in
184.002  DISP         the B SEC/DIV knob.
184.003  HEAD         {CHANNEL 1 VERTICAL BANDWIDTH}
184.004  ASK-                              U
184.005  DISP         MAKE THE FOLLOWING CONNECTION...
184.005  DISP
184.005  DISP         5520 SCOPE OUTPUT --------- CH 1 INPUT
184.006  DISP         A and B SEC/DIV           : 50 us (knobs locked)
184.006  DISP         TRIGGER SOURCE            : VERT CH 1
184.006  DISP         CH 1 & CH 2 VAR VOLTS/DIV : CAL (in detent)
184.006  DISP         CH 1 & CH 2 VOLTS/DIV     : 2 mV
184.006  DISP         CH 3 & CH 4 VOLTS/DIV     : 0.1 V (buttons out)
184.006  DISP         VERTICAL MODE             : CH 1 ON, All others OFF
184.006  DISP         CH 1 & CH 2 COUPLING      : 50 Ohm DC
184.007  HEAD         CHANNEL 1 VERTICAL BANDWIDTH:  {2 mV/div}
184.008  MESS         Slew amplitude for a 6 division display.
184.009  5520         12mVpp                       50kH           LS S6 N  L
184.010  MESS         Slew amplitude for a 4.25 division display.
184.011  5520         80MH           -1000%        mVpp           LS S6    L
185.001  HEAD         CHANNEL 1 VERTICAL BANDWIDTH:  {20 mV/div}
185.002  DISP         CH 1 VOLTS/DIV     : 20 mV
185.003  MESS         Slew amplitude for a 6 division display.
185.004  5520         120mVpp                      50kH           LS S6 N  L
185.005  MESS         Slew amplitude for a 4.25 division display.
185.006  5520         150MH          -1000%        mVpp           LS S6    L
186.001  HEAD         CHANNEL 1 VERTICAL BANDWIDTH:  {.5 V/div}
186.002  DISP         CH 1 VOLTS/DIV     : .5 V
186.003  MESS         Slew amplitude for a 6 division display.
186.004  5520         3.0Vpp                       50kH           LS S6 N  L
186.005  MESS         Slew amplitude for a 4.25 division display.
186.006  5520         150MH          -1000%        Vpp            LS S6    L
187.001  HEAD         CHANNEL 1 VERTICAL BANDWIDTH:  {1 V/div}
187.002  DISP         CH 1 VOLTS/DIV     : 1 V
187.003  MESS         Slew amplitude for a 4 division display.
187.004  5520         4Vpp                         50kH           LS S6 N  L
187.005  MESS         Slew amplitude for a 2.82 division display.
187.006  5520         150MH          -1000%        Vpp            LS S6    L
188.001  5520         *                                                 S
188.002  HEAD         {CHANNEL 2 VERTICAL BANDWIDTH}
188.003  DISP         MAKE THE FOLLOWING CONNECTION...
188.003  DISP
188.003  DISP         5520 SCOPE OUTPUT --------- CH 2 INPUT
188.003  DISP
188.004  DISP         VERTICAL MODE    : CH 2 ON, All others OFF
188.004  DISP         TRIGGER SOURCE   : VERT CH 2
188.004  DISP
188.005  HEAD         CHANNEL 2 VERTICAL BANDWIDTH:  {2 mV/div}
188.006  MESS         Slew amplitude for a 6 division display.
188.007  5520         12mVpp                       50kH           LS S6 N  L
188.008  MESS         Slew amplitude for a 4.25 division display.
188.009  5520         80MH           -1000%        mVpp           LS S6    L
189.001  HEAD         CHANNEL 2 VERTICAL BANDWIDTH:  {20 mV/div}
189.002  DISP         CH 2 VOLTS/DIV     : 20 mV
189.003  MESS         Slew amplitude for a 6 division display.
189.004  5520         120mVpp                      50kH           LS S6 N  L
189.005  MESS         Slew amplitude for a 4.25 division display.
189.006  5520         150MH          -1000%        mVpp           LS S6    L
190.001  HEAD         CHANNEL 2 VERTICAL BANDWIDTH:  {.5 V/div}
190.002  DISP         CH 2 VOLTS/DIV     : .5 V
190.003  MESS         Slew amplitude for a 6 division display.
190.004  5520         3.0Vpp                       50kH           LS S6 N  L
190.005  MESS         Slew amplitude for a 4.25 division display.
190.006  5520         150MH          -1000%        Vpp            LS S6    L
191.001  HEAD         CHANNEL 2 VERTICAL BANDWIDTH:  {1 V/div}
191.002  DISP         CH 2 VOLTS/DIV     : 1 V
191.003  MESS         Slew amplitude for a 4 division display.
191.004  5520         4Vpp                         50kH           LS S6 N  L
191.005  MESS         Slew amplitude for a 2.82 division display.
191.006  5520         150MH          -1000%        Vpp            LS S6    L
192.001  5520         *                                                 S
192.002  HEAD         {CHANNEL 3 VERTICAL BANDWIDTH}
192.003  DISP         VERTICAL MODE    : CH 3 ON, All others OFF
192.003  DISP         TRIGGER SOURCE   : VERT CH 3
192.003  DISP
192.003  DISP         Attach a 10X probe to the CH 3 input connector and
192.003  DISP         the probe tip to the CALIBRATOR terminal.
192.004  DISP         A and B SEC/DIV : 1ms (knobs locked)
192.004  DISP
192.004  DISP         Adjust probe compensation for the best flat
192.004  DISP         top on the square-wave signal display.
192.005  DISP         Disconnect the probe tip from the CALIBRATOR terminal.
192.005  DISP
192.005  DISP         Remove the probe tip from the probe, unscrew and
192.005  DISP         remove the plastic barrel, and connect the probe to the
192.005  DISP         5520 SCOPE OUTPUT via a 50 Ohm termination and
192.005  DISP         a Mini probe-tip-to-BNC adapter.
192.005  DISP
192.006  DISP         A and B SEC/DIV : 50 us (knobs locked)
192.006  DISP
192.007  MESS         Slew amplitude for a 4 division display.
192.008  5520         0.4Vpp                       50kH           LS S6 N  L
192.009  MESS         Slew amplitude for a 2.82 division display.
192.010  5520         80MH           -1000%        Vpp            LS S6    L
193.001  5520         *                                                 S
193.002  HEAD         {CHANNEL 4 VERTICAL BANDWIDTH}
193.003  DISP         VERTICAL MODE    : CH 4 ON, All others OFF
193.003  DISP         TRIGGER SOURCE   : VERT CH 4
193.003  DISP
193.004  DISP         Attach a 10X probe to the CH 4 input connector and
193.004  DISP         the probe tip to the CALIBRATOR terminal.
193.005  DISP         A and B SEC/DIV : 1 ms (knobs locked)
193.005  DISP
193.005  DISP         Adjust probe compensation for the best flat
193.005  DISP         top on the square-wave signal display.
193.006  DISP         Disconnect the probe tip from the CALIBRATOR terminal.
193.006  DISP
193.006  DISP         Remove the probe tip from the probe, unscrew and
193.006  DISP         remove the plastic barrel, and connect the probe to the
193.006  DISP         5520 SCOPE OUTPUT via a 50 Ohm termination and
193.006  DISP         a Mini probe-tip-to-BNC adapter.
193.006  DISP
193.006  DISP         A and B SEC/DIV : 50 us (knobs locked)
193.007  MESS         Slew amplitude for a 4 division display.
193.008  5520         0.4Vpp                       50kH           LS S6 N  L
193.009  MESS         Slew amplitude for a 2.82 division display.
193.010  5520         80MH           -1000%        Vpp            LS S6    L
194.001  5520         *                                                 S
194.002  HEAD         {COMMON MODE REJECTION RATIO}
194.003  DISP         Connect the 5520 SCOPE OUTPUT to CH 1 & CH 2 inputs.
194.004  DISP         VERTICAL MODE             : CH 1, ADD, and INVERT ON
194.004  DISP         CH 1 & CH 2 VOLTS/DIV     : 10 mV
194.004  DISP         CH 1 & CH 2 VAR VOLTS/DIV : CAL
194.004  DISP         CH 1 & CH 2 COUPLING      : 50 Ohm DC
194.004  DISP         A & B SEC/DIV             : 50 us (knobs locked)
194.004  DISP         TRIGGER MODE              : AUTO LVL
194.004  DISP         TRIGGER SOURCE            : CH 1
194.005  MESS         Slew the amplitude for a 8 division display on CH 1.
194.006  5520         80mVpp                       50kH           LS S6 N  L
194.007  MESS
194.008  DISP         Adjust either the CH 1 VAR control or the
194.008  DISP         CH 2 VAR control for a minimum ADD display
194.008  DISP         amplitude while leaving the other control in
194.008  DISP         the calibrated detent (whichever provides the
194.008  DISP         best CMRR).
194.009  5520         50MH           TOL           mVpp           LS S6    L
195.001  DISP         SEC/DIV : 20 ns
195.002  EVAL   Is {ADD display </= 0.4 divisions (discount trace width)}?
196.001  DISP         Set ADD and INVERT Off (buttons out) and
196.001  DISP         rotate the CH 1 and CH 2 VAR controls CW to
196.001  DISP         their calibrated detent positions.
196.002  HEAD         {CHANNEL 1 ISOLATION}
196.003  DISP         MAKE THE FOLLOWING CONNECTION...
196.003  DISP
196.003  DISP         5520 SCOPE OUTPUT --------- CH 1 INPUT
196.003  DISP
196.004  DISP         VERTICAL MODE         : CH 1, CH 2, CH 3, CH 4 ON
196.004  DISP         CHOP/ALT              : ALT (button out)
196.004  DISP         CH 1 & CH 2 COUPLING  : 50 Ohm DC
196.004  DISP         CH 1 & CH 2 VOLTS/DIV : 0.1 V
196.004  DISP         CH 3 & CH 4 VOLTS/DIV : 0.1 V (buttons out)
196.004  DISP         TRIGGER SOURCE        : CH 1
196.004  DISP         A and B SEC/DIV       : 20 ns (knobs locked)
196.005  HEAD         CHANNEL 1 ISOLATION:  {@ 100 MHz}
196.006  MESS         Slew the amplitude for a 8 divisions.
196.007  5520         800mVpp                      100MH          LS S6 N  L
196.008  MESS
196.009  MESS         Check that amplitude of each trace other than CH 1 is
196.009  MESS         0.08 division or less (discount trace width).
196.009  MESS
196.010  EVAL   Are {all other traces </= 0.08 div (discount trace width}?
197.001  MESS
197.002  HEAD         CHANNEL 1 ISOLATION:  {@ 150 MHz}
197.003  MESS         Slew the amplitude for a 8 divisions.
197.004  5520         800mVpp                      150MH          LS S6 N  L
197.005  MESS
197.006  EVAL   Are {all other traces </= 0.16 div (discount trace width}?
198.001  MESS
198.002  HEAD         {CHANNEL 2 ISOLATION}
198.003  DISP         Move the signal to the CH 2 input connector.
198.003  DISP
198.003  DISP         VERTICAL MODE  : CH 1, CH 2, CH 3, CH 4 ON
198.003  DISP         TRIGGER SOURCE : CH 2
198.004  HEAD         CHANNEL 2 ISOLATION:  {@ 100 MHz}
198.005  MESS         Slew the amplitude for a 8 divisions.
198.006  5520         800mVpp                      100MH          LS S6 N  L
198.007  MESS
198.008  EVAL   Are {all other traces </= 0.08 div (discount trace width}?
199.001  MESS
199.002  HEAD         CHANNEL 2 ISOLATION:  {@ 150 MHz}
199.003  MESS         Slew the amplitude for a 8 divisions.
199.004  5520         800mVpp                      150MH          LS S6 N  L
199.005  MESS
199.006  EVAL   Are {all other traces </= 0.16 div (discount trace width}?
200.001  MESS
200.002  HEAD         {CHANNEL 3 ISOLATION}
200.003  DISP         Add a 50 Ohm termination to the BNC cable and
200.003  DISP         move it to the CH 3 input connector.
200.003  DISP
200.004  DISP         TRIGGER SOURCE : CH 3
200.005  MESS         Slew the amplitude for a 8 divisions.
200.006  5520         800mVpp                      100MH          LS S6 N  L
200.007  MESS
200.008  EVAL   Are {all other traces </= 0.16 div (discount trace width}?
201.001  MESS
201.002  HEAD         {CHANNEL 4 ISOLATION}
201.003  DISP         Move the signal to the CH 4 input connector (w/term).
201.004  DISP         TRIGGER SOURCE : CH 4
201.005  MESS         Slew the amplitude for a 8 divisions.
201.006  5520         800mVpp                      100MH          LS S6 N  L
201.007  MESS
201.008  EVAL   Are {all other traces </= 0.16 div (discount trace width}?
202.001  MESS
202.002  ASK+                              U
202.003  HEAD         {DC BALANCE}
202.004  DISP         Disconnect the 5520 SCOPE OUTPUT from the UUT
202.004  DISP
202.005  DISP         Press up and hold both the CH 1 and CH 2 Input Coupling
202.005  DISP         switches in the 1 MOhm AC position for approximately
202.005  DISP         1 second, then release them.
202.005  DISP         NOTE:  At the completion of the automatic DC Balance
202.005  DISP         the Input Coupling settings will return to the states
202.005  DISP         that the previously held (if they were in those states
202.005  DISP         for at least 7 seconds prior to performing
202.005  DISP         the DC Balance procedure).
202.006  DISP         Verify a moving dot display replaces the normal display
202.006  DISP         for approximately 10 seconds (while the DC Balance
202.006  DISP         levels are automatically reset), then the display
202.006  DISP         returns to normal.
202.007  EVAL   Does {DC Balance appear to have operated correctly}?
203.001  MESS         Verify there is less than 0.2 division vertical
203.001  MESS         trace shift between adjacent settings of the
203.001  MESS         CH 1 and CH 2 VOLTS/DIV switches as they are rotated
203.001  MESS         through each of their positions.
203.001  MESS
203.002  EVAL   Does {CHANNEL 1 maintain <0.2 division of trace shift}?
204.001  MESS
204.002  EVAL   Does {CHANNEL 2 maintain <0.2 division of trace shift}?
205.001  MESS         Verify there is less than 1.0 division
205.001  MESS         vertical trace shift as the CH 1 and CH 2
205.001  MESS         VOLTS/DIV VAR controls are rotated fully CW.
205.001  MESS
205.002  EVAL   Does {CHANNEL 1 maintain <1 division trace shift w/VAR CW}?
206.001  MESS
206.002  EVAL   Does {CHANNEL 2 maintain <1 division trace shift w/VAR CW}?
207.001  MESS         Verify there is less than 0.5 division vertical trace
207.001  MESS         shift when the INVERT button is pressed in.
207.001  MESS
207.002  EVAL   Does {CHANNEL 2 maintain <0.5 division shift w/INVERT ON}?
208.001  MESS
208.002  DISP         Return the VERTICAL VAR controls to their
208.002  DISP         detent positions and turn the CH 2 INVERT
208.002  DISP         function off (button out).
208.003  HEAD         {CHANNEL 2 SIGNAL OUT AND CASCADE OPERATION}
208.004  DISP         MAKE THE FOLLOWING CONNECTION...
208.004  DISP
208.004  DISP         5520 SCOPE OUTPUT --------- CH 2 INPUT
208.004  DISP
208.004  DISP         Connect the CH 2 SIGNAL OUTPUT (rear panel) to CH 1.
208.004  DISP
208.005  DISP         VERTICAL MODE         : CH 1 ON, All others OFF
208.005  DISP         BW LIMIT              : On (button in)
208.005  DISP         CH 1 & CH 2 VOLTS/DIV : 2 mV
208.005  DISP         CH 1 COUPLING         : 50 Ohm DC
208.005  DISP         CH 2 COUPLING         : 1 MOhm DC
208.006  DISP         A and B SEC/DIV : 1 ms
208.006  DISP         TRIGGER MODE    : AUTO LVL
208.006  DISP         SOURCE          : VERT
208.006  DISP         COUPLING        : NOISE REJ
208.007  5520         2mVpp                        1kH            ZQ S6 S
208.008  EVAL   Is {amplitude 4.5 to 5.5 divisions (discount trace width}?
209.001  DISP         Set CH 1 Input Coupling to GND and align
209.001  DISP         the trace with the center graticule line.
209.001  DISP
209.001  DISP         Return CH 1 Input Coupling to 50 Ohm DC.
209.001  DISP
209.001  DISP         Set the CH 1 VOLTS/DIV switch to 5 mV.
209.002  5520         2mVpp                        1kH            ZQ S6 S
209.003  MESS         Check the baseline of the display is
209.003  MESS         within 2 divisions of the ground reference set
209.003  MESS         above (discount trace width).
209.003  MESS
209.004  EVAL   Is {baseline within 2 divisions of ground reference}?
210.001  MESS
210.002  DISP         Set the CH 1 Input Coupling to 1 MOhm DC.
210.003  5520         2mVpp                        1kH            ZQ S6 S
210.004  EVAL   Is {amplitude 3.6 to 4.4 divisions (discount trace width}?
211.001  DISP         MAKE THE FOLLOWING CONNECTION...
211.001  DISP
211.001  DISP         5520 SCOPE OUTPUT ---------10X ATTEN---CH 2 INPUT
211.001  DISP
211.002  DISP         Set the CH 1 and CH 2 Input Coupling to 50 Ohm DC.
211.002  DISP
211.002  DISP         Press and release the BW LIMIT button to
211.002  DISP         turn the function off.
211.002  DISP
211.002  DISP         Set the CH 1 VOLTS/DIV switch to 2 mV.
211.003  MESS         Slew amplitude for a 6 division display.
211.004  ASK-                              U
211.005  5520         25mVpp                       50kH           LS S6 N  L
211.006  MESS         Slew amplitude for a 4.2 division display.
211.007  5520         50MH           -50%          mVpp           LS S6    L
212.001  MESS
212.002  ASK-   R     N                J   U                      F        W
212.003  ASK+     D
212.004  HEAD         {BW LIMIT OPERATION}
212.005  DISP         MAKE THE FOLLOWING CONNECTION...
212.005  DISP
212.005  DISP         5520 SCOPE OUTPUT --------- CH 2 INPUT
212.005  DISP
212.005  DISP         Disconnect the CH 2 SIGNAL OUTPUT (rear panel) to CH 1.
212.005  DISP
212.006  DISP         VERTICAL MODE   : CH 2 ON, All others OFF
212.006  DISP         BW LIMIT        : On (button in)
212.006  DISP         A and B SEC/DIV : 50 us (knobs locked)
212.006  DISP         CH 2 VOLTS/DIV  : 10 mV
212.007  MESS         Slew amplitude for a 6 division display.
212.008  5520         60mVpp                       50kH           LS S6 N  L
212.009  MESS         Slew amplitude for a 4.2 division display.
212.010  5520         18.5MH         5.5U          mVpp           LS S6    L
213.001  DISP         Turn BW LIMIT off (button out).
213.002  MESS
213.003  5520         *                                                 S
213.004  HEAD         TRIGGER INITIAL CONTROL SETTINGS
213.005  DISP         VERTICAL MODE             : CH 1 ON, others OFF
213.005  DISP         CHOP/ALT                  : ALT (button out)
213.005  DISP         20 MHz BW LIMIT           : Off (button out)
213.005  DISP         CH 1 & CH 2 VOLTS/DIV     : .1 V
213.005  DISP         CH 1 & CH 2 VAR VOLTS/DIV : CAL (in detent)
213.005  DISP         CH 3 & CH 4 VOLTS/DIV     : 0.5 V (buttons in)
213.005  DISP         CH 1 & CH 2 COUPLING      : 50 Ohm DC
213.006  DISP         A and B SEC/DIV     : 2 us (knobs locked)
213.006  DISP         A and B SEC/DIV VAR : CAL In detent
213.006  DISP         X10 MAG             : Off (button out)
213.006  DISP         Delta T and Delta V : Off (no readout)
213.006  DISP         TRACKING            : Off (button out)
213.006  DISP         TRACE SEP           : Fully CW
213.007  DISP         TRIG HOLDOFF  : B ENDS A (fully CW)
213.007  DISP         TRIG LEVEL    : Midrange
213.007  DISP         TRIG SLOPE    : + (plus)
213.007  DISP         TRIG MODE     : AUTO LVL
213.007  DISP         TRIG SOURCE   : VERT
213.007  DISP         TRIG COUPLING : DC
213.008  HEAD         {CHANNEL 1 A TRIGGERS}
213.009  DISP         MAKE THE FOLLOWING CONNECTION...
213.009  DISP
213.009  DISP         5520 SCOPE OUTPUT --------- CH 1 INPUT
213.010  DISP         Throughout the A TRIGGER tests, adjust A TRIG LVL
213.010  DISP         as necessary for triggered display.
213.010  DISP
213.010  DISP         Adjust A TIME/DIV and X10 MAG as required.
213.011  HEAD         A TRIGGERS:  {DC @ 50 MHz}
213.012  5520         0.35Vpp                      50MH           LS S6 S  L
213.013  DISP         CH 1 VOLTS/DIV : 1 V
213.014  EVAL   Will {displayed signal trigger @ 0.35 division}?
214.001  HEAD         A TRIGGERS:  {DC @ 250 MHz}
214.002  DISP         CH 1 VOLTS/DIV : .1 V
214.003  5520         0.1Vpp                       250MH          LS S6 S  L
214.004  EVAL   Will {displayed signal trigger @ 1 division}?
215.001  DISP         X10 MAG    : ON
215.001  DISP         A TIME/DIV : 1 ns
215.002  5520         0.1Vpp                       250MH          LS S6 S  L
215.003  EVAL   Is {trigger jitter < 50 pS (0.05 div)}?
216.001  HEAD         A TRIGGERS:  NOISE REJ {@ 50 MHz}
216.002  DISP         A TRIGGER COUPLING : NOISE REJ
216.002  DISP         X10 MAG    : OFF
216.003  5520         0.12Vpp                      50MH           LS S6 S  L
216.004  EVAL   Will {displayed signal trigger @ 1.2 division}?
217.001  HEAD         A TRIGGERS:  NOISE REJ {@ 250 MHz}
217.002  5520         0.3Vpp                       250MH          LS S6 S  L
217.003  EVAL   Will {displayed signal trigger @ 3 division}?
218.001  DISP         X10 MAG    : ON
218.001  DISP         A TIME/DIV : 1 ns
218.002  5520         0.3Vpp                       250MH          LS S6 S  L
218.003  EVAL   Is {trigger jitter < 50 pS (0.05 div)}?
219.001  HEAD         A TRIGGERS:  {HF REJ @ 30 kHz}
219.002  DISP         A TRIGGER COUPLING : HF REJ
219.002  DISP         X10 MAG    : OFF
219.003  5520         0.5Vpp                       30kH           SI S6 S  L
219.004  DISP         CH 1 VOLTS/DIV : 1 V
219.005  EVAL   Will {displayed signal trigger @ 0.5 division}?
220.001  HEAD         A TRIGGERS:  HF REJ {@ 50 MHz}
220.002  DISP         CH 1 VOLTS/DIV : .1 V
220.003  5520         0.12Vpp                      50MH           LS S6 S  L
220.004  EVAL   [N]Will {displayed signal trigger @ 1.2 division}?
221.001  HEAD         A TRIGGERS:  HF REJ {@ 250 MHz}
221.002  5520         0.3Vpp                       250MH          LS S6 S  L
221.003  EVAL   [N]Will {displayed signal trigger @ 3 division}?
222.001  HEAD         A TRIGGERS:  {LF REJ @ 60 Hz}
222.002  DISP         A TRIGGER COUPLING : LF REJ
222.003  5520         0.5Vpp                       60H            SI S6 S  L
222.004  EVAL   [N]Will {displayed signal trigger}?
223.001  HEAD         A TRIGGERS:  LF REJ {@ 80 kHz}
223.002  5520         0.5Vpp                       80kH           LS S6 S  L
223.003  DISP         CH 1 VOLTS/DIV : 1 V
223.004  EVAL   Will {displayed signal trigger @ 0.5 division}?
224.001  HEAD         A TRIGGERS:  LF REJ {@ 50 MHz}
224.002  DISP         CH 1 VOLTS/DIV : .1 V
224.003  5520         0.5Vpp                       50MH           LS S6 S  L
224.004  DISP         CH 1 VOLTS/DIV : 1 V
224.005  EVAL   Will {displayed signal trigger @ 0.5 division}?
225.001  HEAD         A TRIGGERS:  LF REJ {@ 250 MHz}
225.002  DISP         CH 1 VOLTS/DIV : .1 V
225.003  5520         0.1Vpp                       250MH          LS S6 S  L
225.004  EVAL   Will {displayed signal trigger @ 1 division}?
226.001  DISP         X10 MAG    : ON
226.001  DISP         A TIME/DIV : 1 ns
226.002  5520         0.1Vpp                       250MH          LS S6 S  L
226.003  EVAL   Is {trigger jitter < 50 pS (0.05 div)}?
227.001  HEAD         A TRIGGERS:  {AC @ 60 Hz}
227.002  DISP         A TRIGGER COUPLING : AC
227.002  DISP         X10 MAG    : OFF
227.003  5520         0.35Vpp                      60H            SI S6 S  L
227.004  DISP         CH 1 VOLTS/DIV : 1 V
227.005  EVAL   Will {displayed signal trigger @ 0.35 division}?
228.001  HEAD         A TRIGGERS:  AC {@ 50 MHz}
228.002  DISP         CH 1 VOLTS/DIV : .1 V
228.003  5520         0.35Vpp                      50MH           LS S6 S  L
228.004  DISP         CH 1 VOLTS/DIV : 1 V
228.005  EVAL   Will {displayed signal trigger @ 0.35 division}?
229.001  HEAD         A TRIGGERS:  AC {@ 250 MHz}
229.002  DISP         CH 1 VOLTS/DIV : .1 V
229.003  5520         0.1Vpp                       250MH          LS S6 S  L
229.004  EVAL   Will {displayed signal trigger @ 1 division}?
230.001  DISP         X10 MAG    : ON
230.001  DISP         A TIME/DIV : 1 ns
230.002  5520         0.1Vpp                       250MH          LS S6 S  L
230.003  EVAL   Is {trigger jitter < 50 pS (0.05 div)}?
231.001  HEAD         {B TRIGGERS}
231.002  5520         0.35Vpp                      50MH           LS S6 S  L
231.003  DISP         X10 MAG    : OFF
231.003  DISP         TRIGGER MODE  : AUTO
231.003  DISP         TRIGGER LEVEL : Fully clockwise
231.004  DISP         Pull the B SEC/DIV knob out and set it 1 switch
231.004  DISP         setting faster (CW) than the A SEC/DIV setting, then
231.004  DISP         push the B SEC/DIV knob back in.
231.005  DISP         Throughout the B TRIGGER tests, adjust B TRIG LVL
231.005  DISP         as necessary for triggered display.
231.005  DISP
231.005  DISP         Adjust A & B TIME/DIV and X10 MAG as required.
231.006  DISP         Verify that the CRT readout displays DLY and not DELTA T
231.006  DISP         If DELTA T is displayed, press the DELTA T button in
231.006  DISP         and release it to select the DLY function.
231.006  DISP         When DLY is displayed, rotate the DELTA REF OR
231.006  DISP         DLY POS control CCW until the readout
231.006  DISP         display indicates zero delay. (The display will
231.006  DISP         indicate DLY?, which is normal.)
231.007  DISP         Press the A/B TRIG button to select the B TRIGGER.
231.007  DISP
231.007  DISP         Set B TRIGGER MODE to TRIG AFT DLY
231.007  DISP         and adjust TRIGGER LEVEL for a stable signal display.
231.008  HEAD         B TRIGGERS:  {DC @ 50 MHz}
231.009  DISP         CH 1 VOLTS/DIV : 1 V
231.010  EVAL   Will {displayed signal trigger @ 0.35 division}?
232.001  HEAD         B TRIGGERS:  {DC @ 250 MHz}
232.002  DISP         CH 1 VOLTS/DIV : .1 V
232.003  5520         0.1Vpp                       250MH          LS S6 S  L
232.004  EVAL   Will {displayed signal trigger @ 1 division}?
233.001  DISP         X10 MAG    : ON
233.001  DISP         B TIME/DIV : 1 ns
233.002  5520         0.1Vpp                       250MH          LS S6 S  L
233.003  EVAL   Is {trigger jitter < 50 pS (0.05 div)}?
234.001  HEAD         B TRIGGERS:  NOISE REJ {@ 50 MHz}
234.002  DISP         B TRIGGER COUPLING : NOISE REJ
234.002  DISP         X10 MAG    : OFF
234.003  5520         0.12Vpp                      50MH           LS S6 S  L
234.004  EVAL   Will {displayed signal trigger @ 1.2 division}?
235.001  HEAD         B TRIGGERS:  NOISE REJ {@ 250 MHz}
235.002  5520         0.3Vpp                       250MH          LS S6 S  L
235.003  EVAL   Will {displayed signal trigger @ 3 division}?
236.001  DISP         X10 MAG    : ON
236.001  DISP         A TIME/DIV : 10 ns
236.002  5520         0.3Vpp                       250MH          LS S6 S  L
236.003  EVAL   Is {trigger jitter < 50 pS (0.05 div)}?
237.001  HEAD         B TRIGGERS:  {HF REJ @ 30 kHz}
237.002  DISP         B TRIGGER COUPLING : HF REJ
237.002  DISP         X10 MAG    : OFF
237.003  5520         0.5Vpp                       30kH           SI S6 S  L
237.004  DISP         CH 1 VOLTS/DIV : 1 V
237.005  EVAL   Will {displayed signal trigger @ 0.5 division}?
238.001  HEAD         B TRIGGERS:  HF REJ {@ 50 MHz}
238.002  DISP         CH 1 VOLTS/DIV : .1 V
238.003  5520         0.12Vpp                      50MH           LS S6 S  L
238.004  EVAL   [N]Will {displayed signal trigger @ 1.2 division}?
239.001  HEAD         B TRIGGERS:  HF REJ {@ 250 MHz}
239.002  5520         0.3Vpp                       250MH          LS S6 S  L
239.003  EVAL   [N]Will {displayed signal trigger @ 3 division}?
240.001  HEAD         B TRIGGERS:  {LF REJ @ 60 Hz}
240.002  DISP         B TRIGGER COUPLING : LF REJ
240.003  5520         0.5Vpp                       60H            SI S6 S  L
240.004  EVAL   [N]Will {displayed signal trigger}?
241.001  HEAD         B TRIGGERS:  LF REJ {@ 80 kHz}
241.002  5520         0.5Vpp                       80kH           LS S6 S  L
241.003  DISP         CH 1 VOLTS/DIV : 1 V
241.004  EVAL   Will {displayed signal trigger @ 0.5 division}?
242.001  HEAD         B TRIGGERS:  LF REJ {@ 50 MHz}
242.002  DISP         CH 1 VOLTS/DIV : .1 V
242.003  5520         0.5Vpp                       50MH           LS S6 S  L
242.004  DISP         CH 1 VOLTS/DIV : 1 V
242.005  EVAL   Will {displayed signal trigger @ 0.5 division}?
243.001  HEAD         B TRIGGERS:  LF REJ {@ 250 MHz}
243.002  DISP         CH 1 VOLTS/DIV : .1 V
243.003  5520         0.1Vpp                       250MH          LS S6 S  L
243.004  EVAL   Will {displayed signal trigger @ 1 division}?
244.001  DISP         X10 MAG    : ON
244.001  DISP         A TIME/DIV : 10 ns
244.002  5520         0.1Vpp                       250MH          LS S6 S  L
244.003  EVAL   Is {trigger jitter < 50 pS (0.05 div)}?
245.001  HEAD         B TRIGGERS:  {AC @ 60 Hz}
245.002  DISP         B TRIGGER COUPLING : AC
245.002  DISP         X10 MAG    : OFF
245.003  5520         0.35Vpp                      60H            SI S6 S  L
245.004  DISP         CH 1 VOLTS/DIV : 1 V
245.005  EVAL   Will {displayed signal trigger @ 0.35 division}?
246.001  HEAD         B TRIGGERS:  AC {@ 50 MHz}
246.002  DISP         CH 1 VOLTS/DIV : .1 V
246.003  5520         0.35Vpp                      50MH           LS S6 S  L
246.004  DISP         CH 1 VOLTS/DIV : 1 V
246.005  EVAL   Will {displayed signal trigger @ 0.35 division}?
247.001  HEAD         B TRIGGERS:  AC {@ 250 MHz}
247.002  DISP         CH 1 VOLTS/DIV : .1 V
247.003  5520         0.1Vpp                       250MH          LS S6 S  L
247.004  EVAL   Will {displayed signal trigger @ 1 division}?
248.001  DISP         X10 MAG    : ON
248.001  DISP         A TIME/DIV : 1 ns
248.002  5520         0.1Vpp                       250MH          LS S6 S  L
248.003  EVAL   Is {trigger jitter < 50 pS (0.05 div)}?
249.001  HEAD         {CHANNEL 2 A TRIGGERS}
249.002  DISP         MAKE THE FOLLOWING CONNECTION...
249.002  DISP
249.002  DISP         5520 SCOPE OUTPUT --------- CH 2 INPUT
249.003  DISP         VERT MODE       : CH 2 ON
249.003  DISP         A and B SEC/DIV : 10ns and locked (A SWEEP)
249.003  DISP         TRIG SOURCE     : VERT
249.003  DISP         TRIG COUPLING   : DC
249.003  DISP         X10 MAG         : OFF
249.004  DISP         Throughout the A TRIGGER tests, adjust A TRIG LVL
249.004  DISP         as necessary for triggered display.
249.004  DISP
249.004  DISP         Adjust A TIME/DIV and X10 MAG as required.
249.005  HEAD         A TRIGGERS:  {DC @ 50 MHz}
249.006  5520         0.35Vpp                      50MH           LS S6 S  L
249.007  DISP         CH 2 VOLTS/DIV : 1 V
249.008  EVAL   Will {displayed signal trigger @ 0.35 division}?
250.001  HEAD         A TRIGGERS:  {DC @ 250 MHz}
250.002  DISP         CH 2 VOLTS/DIV : .1 V
250.003  5520         0.1Vpp                       250MH          LS S6 S  L
250.004  EVAL   Will {displayed signal trigger @ 1 division}?
251.001  DISP         X10 MAG    : ON
251.001  DISP         A TIME/DIV : 1 ns
251.002  5520         0.1Vpp                       250MH          LS S6 S  L
251.003  EVAL   Is {trigger jitter < 50 pS (0.05 div)}?
252.001  DISP         X10 MAG    : OFF
252.002  HEAD         {B TRIGGERS}
252.003  5520         0.35Vpp                      50MH           LS S6 S  L
252.004  DISP         Pull the B SEC/DIV knob out and set it 1 switch
252.004  DISP         setting faster (CW) than the A SEC/DIV setting, then
252.004  DISP         push the B SEC/DIV knob back in.
252.005  DISP         Throughout the B TRIGGER tests, adjust B TRIG LVL
252.005  DISP         as necessary for triggered display.
252.005  DISP
252.005  DISP         Adjust A & B TIME/DIV and X10 MAG as required.
252.006  DISP         Verify that the CRT readout displays DLY and not DELTA T
252.006  DISP         If DELTA T is displayed, press the DELTA T button in
252.006  DISP         and release it to select the DLY function.
252.006  DISP         When DLY is displayed, rotate the DELTA REF OR
252.006  DISP         DLY POS control CCW until the readout
252.006  DISP         display indicates zero delay. (The display will
252.006  DISP         indicate DLY?, which is normal.)
252.007  DISP         Press the A/B TRIG button to select the B TRIGGER.
252.007  DISP
252.007  DISP         Set B TRIGGER MODE to TRIG AFT DLY
252.007  DISP         and adjust TRIGGER LEVEL for a stable signal display.
252.008  HEAD         B TRIGGERS:  {DC @ 50 MHz}
252.009  DISP         CH 1 VOLTS/DIV : 1 V
252.010  EVAL   Will {displayed signal trigger @ 0.35 division}?
253.001  HEAD         B TRIGGERS:  {DC @ 250 MHz}
253.002  DISP         CH 1 VOLTS/DIV : .1 V
253.003  5520         0.1Vpp                       250MH          LS S6 S  L
253.004  EVAL   Will {displayed signal trigger @ 1 division}?
254.001  DISP         X10 MAG    : ON
254.001  DISP         B TIME/DIV : 1 ns
254.002  5520         0.1Vpp                       250MH          LS S6 S  L
254.003  EVAL   Is {trigger jitter < 50 pS (0.05 div)}?
255.001  DISP         X10 MAG    : OFF
255.002  ASK-   R     N                J   U                      F        W
255.003  ASK+     D
255.004  HEAD         {CHANNEL 3 A TRIGGERS}
255.005  DISP         MAKE THE FOLLOWING CONNECTION...
255.005  DISP
255.005  DISP         5520 SCOPE OUTPUT ---------50 Ohm -- CH 3 INPUT
255.006  DISP         VERT MODE       : CH 3 ON
255.006  DISP         A and B SEC/DIV : IN and locked (A SWEEP)
255.006  DISP         TRIG COUPLING   : DC
255.007  DISP         Throughout the A TRIGGER tests, adjust A TRIG LVL
255.007  DISP         as necessary for triggered display.
255.007  DISP
255.007  DISP         Adjust A TIME/DIV and X10 MAG as required.
255.008  HEAD         A TRIGGERS:  {DC @ 50 MHz}
255.009  5520         0.09Vpp                      50MH           LS S6 S  L
255.010  EVAL   Will {displayed signal trigger @ 0.18 division}?
256.001  HEAD         A TRIGGERS:  {DC @ 250 MHz}
256.002  5520         0.25Vpp                      250MH          LS S6 S  L
256.003  EVAL   Will {displayed signal trigger @ 0.5 division}?
257.001  DISP         X10 MAG    : ON
257.001  DISP         A TIME/DIV : 1 ns
257.002  5520         0.25Vpp                      250MH          LS S6 S  L
257.003  EVAL   Is {trigger jitter < 50 pS (0.05 div)}?
258.001  HEAD         A TRIGGERS:  NOISE REJ {@ 50 MHz}
258.002  DISP         A TRIGGER COUPLING : NOISE REJ
258.002  DISP         X10 MAG    : OFF
258.003  5520         0.3Vpp                       50MH           LS S6 S  L
258.004  EVAL   Will {displayed signal trigger @ .6 division}?
259.001  HEAD         A TRIGGERS:  NOISE REJ {@ 250 MHz}
259.002  5520         0.75Vpp                      250MH          LS S6 S  L
259.003  EVAL   Will {displayed signal trigger @ 1.5 division}?
260.001  DISP         X10 MAG    : ON
260.001  DISP         A TIME/DIV : 1 ns
260.002  5520         0.75Vpp                      250MH          LS S6 S  L
260.003  EVAL   Is {trigger jitter < 50 pS (0.05 div)}?
261.001  HEAD         A TRIGGERS:  {HF REJ @ 30 kHz}
261.002  DISP         A TRIGGER COUPLING : HF REJ
261.002  DISP         X10 MAG    : OFF
261.003  5520         0.125Vpp                     30kH           SI S6 S  L
261.004  EVAL   Will {displayed signal trigger @ 0.25 division}?
262.001  HEAD         A TRIGGERS:  HF REJ {@ 50 MHz}
262.002  5520         0.3Vpp                       50MH           LS S6 S  L
262.003  EVAL   [N]Will {displayed signal trigger @ 0.6 division}?
263.001  HEAD         A TRIGGERS:  HF REJ {@ 250 MHz}
263.002  5520         0.75Vpp                      250MH          LS S6 S  L
263.003  EVAL   [N]Will {displayed signal trigger @ 1.5 division}?
264.001  HEAD         A TRIGGERS:  {LF REJ @ 60 Hz}
264.002  DISP         A TRIGGER COUPLING : LF REJ
264.003  5520         1Vpp                         60H            SI S6 S  L
264.004  EVAL   [N]Will {displayed signal trigger}?
265.001  HEAD         A TRIGGERS:  LF REJ {@ 80 kHz}
265.002  5520         0.125Vpp                     80kH           LS S6 S  L
265.003  EVAL   Will {displayed signal trigger @ 0.25 division}?
266.001  HEAD         A TRIGGERS:  LF REJ {@ 50 MHz}
266.002  5520         0.125Vpp                     50MH           LS S6 S  L
266.003  EVAL   Will {displayed signal trigger @ 0.25 division}?
267.001  HEAD         A TRIGGERS:  LF REJ {@ 250 MHz}
267.002  5520         0.25Vpp                      250MH          LS S6 S  L
267.003  EVAL   Will {displayed signal trigger @ 0.5 division}?
268.001  DISP         X10 MAG    : ON
268.001  DISP         A TIME/DIV : 1 ns
268.002  5520         0.25Vpp                      250MH          LS S6 S  L
268.003  EVAL   Is {trigger jitter < 50 pS (0.05 div)}?
269.001  HEAD         A TRIGGERS:  {AC @ 60 Hz}
269.002  DISP         A TRIGGER COUPLING : AC
269.002  DISP         X10 MAG    : OFF
269.003  5520         0.09Vpp                      60H            SI S6 S  L
269.004  EVAL   Will {displayed signal trigger @ 0.18 division}?
270.001  HEAD         A TRIGGERS:  AC {@ 50 MHz}
270.002  5520         0.09Vpp                      50MH           LS S6 S  L
270.003  EVAL   Will {displayed signal trigger @ 0.18 division}?
271.001  HEAD         A TRIGGERS:  AC {@ 250 MHz}
271.002  5520         0.25Vpp                      250MH          LS S6 S  L
271.003  EVAL   Will {displayed signal trigger @ 0.5 division}?
272.001  DISP         X10 MAG    : ON
272.001  DISP         A TIME/DIV : 1 ns
272.002  5520         0.25Vpp                      250MH          LS S6 S  L
272.003  EVAL   Is {trigger jitter < 50 pS (0.05 div)}?
273.001  HEAD         {B TRIGGERS}
273.002  5520         0.09Vpp                      50MH           LS S6 S  L
273.003  DISP         TRIGGER MODE  : AUTO
273.003  DISP         X10 MAG    : OFF
273.003  DISP         TRIGGER LEVEL : Fully clockwise
273.004  DISP         Pull the B SEC/DIV knob out and set it 1 switch
273.004  DISP         setting faster (CW) than the A SEC/DIV setting, then
273.004  DISP         push the B SEC/DIV knob back in.
273.005  DISP         Throughout the B TRIGGER tests, adjust B TRIG LVL
273.005  DISP         as necessary for triggered display.
273.005  DISP
273.005  DISP         Adjust A & B TIME/DIV and X10 MAG as required.
273.006  DISP         Verify that the CRT readout displays DLY and not DELTA T
273.006  DISP         If DELTA T is displayed, press the DELTA T button in
273.006  DISP         and release it to select the DLY function.
273.006  DISP         When DLY is displayed, rotate the DELTA REF OR
273.006  DISP         DLY POS control CCW until the readout
273.006  DISP         display indicates zero delay. (The display will
273.006  DISP         indicate DLY?, which is normal.)
273.007  DISP         Press the A/B TRIG button to select the B TRIGGER.
273.007  DISP
273.007  DISP         Set B TRIGGER MODE to TRIG AFT DLY
273.007  DISP         and adjust TRIGGER LEVEL for a stable signal display.
273.008  HEAD         B TRIGGERS:  {DC @ 50 MHz}
273.009  EVAL   Will {displayed signal trigger @ 0.18 division}?
274.001  HEAD         B TRIGGERS:  {DC @ 250 MHz}
274.002  5520         0.25Vpp                      250MH          LS S6 S  L
274.003  EVAL   Will {displayed signal trigger @ 0.5 division}?
275.001  DISP         X10 MAG    : ON
275.001  DISP         B TIME/DIV : 1 ns
275.002  5520         0.25Vpp                      250MH          LS S6 S  L
275.003  EVAL   Is {trigger jitter < 50 pS (0.05 div)}?
276.001  HEAD         B TRIGGERS:  NOISE REJ {@ 50 MHz}
276.002  DISP         B TRIGGER COUPLING : NOISE REJ
276.002  DISP         X10 MAG    : OFF
276.003  5520         0.3Vpp                       50MH           LS S6 S  L
276.004  EVAL   Will {displayed signal trigger @ .6 division}?
277.001  HEAD         B TRIGGERS:  NOISE REJ {@ 250 MHz}
277.002  5520         0.75Vpp                      250MH          LS S6 S  L
277.003  EVAL   Will {displayed signal trigger @ 1.5 division}?
278.001  DISP         X10 MAG    : ON
278.001  DISP         B TIME/DIV : 1 ns
278.002  5520         0.75Vpp                      250MH          LS S6 S  L
278.003  EVAL   Is {trigger jitter < 50 pS (0.05 div)}?
279.001  HEAD         B TRIGGERS:  {HF REJ @ 30 kHz}
279.002  DISP         B TRIGGER COUPLING : HF REJ
279.002  DISP         X10 MAG    : OFF
279.003  5520         0.125Vpp                     30kH           SI S6 S  L
279.004  EVAL   Will {displayed signal trigger @ 0.25 division}?
280.001  HEAD         B TRIGGERS:  HF REJ {@ 50 MHz}
280.002  5520         0.3Vpp                       50MH           LS S6 S  L
280.003  EVAL   [N]Will {displayed signal trigger @ 0.6 division}?
281.001  HEAD         B TRIGGERS:  HF REJ {@ 250 MHz}
281.002  5520         0.75Vpp                      250MH          LS S6 S  L
281.003  EVAL   [N]Will {displayed signal trigger @ 1.5 division}?
282.001  HEAD         B TRIGGERS:  {LF REJ @ 60 Hz}
282.002  DISP         B TRIGGER COUPLING : LF REJ
282.003  5520         1Vpp                         60H            SI S6 S  L
282.004  EVAL   [N]Will {displayed signal trigger}?
283.001  HEAD         B TRIGGERS:  LF REJ {@ 80 kHz}
283.002  5520         0.125Vpp                     80kH           LS S6 S  L
283.003  EVAL   Will {displayed signal trigger @ 0.25 division}?
284.001  HEAD         B TRIGGERS:  LF REJ {@ 50 MHz}
284.002  5520         0.125Vpp                     50MH           LS S6 S  L
284.003  EVAL   Will {displayed signal trigger @ 0.25 division}?
285.001  HEAD         B TRIGGERS:  LF REJ {@ 250 MHz}
285.002  5520         0.25Vpp                      250MH          LS S6 S  L
285.003  EVAL   Will {displayed signal trigger @ 0.5 division}?
286.001  DISP         X10 MAG    : ON
286.001  DISP         B TIME/DIV : 1 ns
286.002  5520         0.25Vpp                      250MH          LS S6 S  L
286.003  EVAL   Is {trigger jitter < 50 pS (0.05 div)}?
287.001  HEAD         B TRIGGERS:  {AC @ 60 Hz}
287.002  DISP         B TRIGGER COUPLING : AC
287.003  DISP         X10 MAG    : OFF
287.004  5520         0.09Vpp                      60H            SI S6 S  L
287.005  EVAL   Will {displayed signal trigger @ 0.18 division}?
288.001  HEAD         B TRIGGERS:  AC {@ 50 MHz}
288.002  5520         0.09Vpp                      50MH           LS S6 S  L
288.003  EVAL   Will {displayed signal trigger @ 0.18 division}?
289.001  HEAD         B TRIGGERS:  AC {@ 250 MHz}
289.002  5520         0.25Vpp                      250MH          LS S6 S  L
289.003  EVAL   Will {displayed signal trigger @ 0.5 division}?
290.001  DISP         X10 MAG    : ON
290.001  DISP         B TIME/DIV : 1 ns
290.002  5520         0.25Vpp                      250MH          LS S6 S  L
290.003  EVAL   Is {trigger jitter < 50 pS (0.05 div)}?
291.001  HEAD         {COMPOSITE TRIGGERING}
291.002  DISP         Connect the Function Generator to CH 1 & CH 2 inputs
291.002  DISP         via a 50 Ohm cable and Dual-Input Coupler.
291.002  DISP
291.002  DISP         Connect the 5520 SCOPE OUTPUT to the CH 3 & CH 4
291.002  DISP         input connectors using a 50 Ohm cable, a 50 Ohm term,
291.002  DISP         and a Dual-Input Coupler.
291.003  DISP         VERTICAL MODE : CH 1, CH 2, CH 3, and CH 4 ON
291.003  DISP         CHOP/ALT      : ALT (button out)
291.003  DISP         CH 1 COUPLING : 50 Ohm DC
291.003  DISP         CH 2 COUPLING : 1 MOhm DC
291.004  DISP         A/B TRIG SELECT : A
291.004  DISP         TRIGGER MODE    : NORM
291.004  DISP         TRIG SOURCE     : VERT
291.004  DISP         TRIG COUPLING   : DC
291.004  DISP         A and B SEC/DIV : 10 us
291.004  DISP         X10 MAG    : OFF
291.005  HEAD         COMPOSITE TRIGGERING:  {A SWEEP}
291.006  DISP         Set the Function Generator for a 50 kHz,
291.006  DISP         1.35 division display for CH 1 and CH 2.
291.007  MESS         Slew amplitude for a 0.7 division display
291.007  MESS         on CH 3 & CH 4.
291.008  5520         0.35Vpp                      50kH           LS S6 N  L
291.009  MESS         Check that display will trigger as the
291.009  MESS         TRIGGER LEVEL control is rotated through its range.
291.009  MESS
291.010  EVAL   Will {display trigger throughout TRIG LVL range}?
292.001  5520         50kH                         Vpp            LS S6 S  L
292.002  HEAD         COMPOSITE TRIGGERING:  {TRIG AFT DLY}
292.003  DISP         Pull the B SEC/DIV knob out, rotate it to 5 us,
292.003  DISP         and push it back in.
292.003  DISP
292.003  DISP         Press the A/B TRIG button and set the
292.003  DISP         B TRIGGER MODE to TRIG AFT DLY.
292.003  DISP
292.003  DISP         Rotate the DELTA REF OR DLY POS control CCW
292.003  DISP         until the delay readout indicates DLY? 0.00 us.
292.004  MESS         Check that display will trigger as the
292.004  MESS         TRIGGER LEVEL control is rotated through its range.
292.004  MESS
292.005  EVAL   Will {display trigger throughout TRIG LVL range}?
293.001  DISP         Rotate the B SEC/DIV knob back to 10 us (knobs locked).
293.002  HEAD         {TRIGGER NOISE REJECTION}
293.003  DISP         MAKE THE FOLLOWING CONNECTION...
293.003  DISP
293.003  DISP         5520 SCOPE OUTPUT ---------50 Ohm--CH 1 INPUT
293.004  DISP         VERTICAL MODE         : CH 1
293.004  DISP         CH 1 & CH 2 COUPLING  : 1 MOhm DC
293.004  DISP         CH 1 VOLTS/DIV        : 10 mV
293.004  DISP         CH 2 VOLTS/DIV        : 0.1 V
293.004  DISP         CH 3 & CH 4 VOLTS/DIV : 0.1 V (buttons out)
293.004  DISP         A and B SEC/DIV       : 10 us (knobs locked)
293.004  DISP         TRIGGER MODE          : AUTO LVL
293.004  DISP         TRIGGER SOURCE        : VERT
293.005  HEAD         TRIGGER NOISE REJECTION:  {CHANNEL 1 A SWEEP}
293.006  MESS         Slew amplitude for a 4 division display.
293.007  5520         40mVpp                       50kH           LS S6 N  L
293.008  MESS
293.009  MATH         M[1] = MEM
293.010  DISP         CH 1 VOLTS/DIV   : 0.1 V
293.010  DISP         TRIGGER COUPLING : NOISE REJ
293.011  EVAL   [N]Will {display trigger}?
294.001  HEAD         TRIGGER NOISE REJECTION:  {B TRG AFT DLY}
294.002  DISP         Pull the B SEC/DIV knob out, rotate it to 5 us
294.002  DISP         and push it back in.
294.002  DISP
294.002  DISP         Press the A/B TRIG button to select the B TRIGGER.
294.002  DISP
294.002  DISP         Set the TRIGGER MODE switch to B TRIG AFT DLY.
294.003  MATH         MEM = M[1]
294.004  5520         50kH                         mVpp           LS S6 S  L
294.005  EVAL   [N]Will {display trigger}?
295.001  DISP         Rotate B SEC/DIV switch back to 10 us (knobs locked).
295.002  HEAD         TRIGGER NOISE REJECTION:  {CHANNEL 2 A SWEEP}
295.003  DISP         MAKE THE FOLLOWING CONNECTION...
295.003  DISP
295.003  DISP         5520 SCOPE OUTPUT ---------50 Ohm--CH 2 INPUT
295.003  DISP
295.003  DISP
295.003  DISP         VERTICAL MODE : CH 2
295.004  MATH         MEM = M[1]
295.005  5520         50kH                         mVpp           LS S6 S  L
295.006  EVAL   [N]Will {display trigger}?
296.001  HEAD         TRIGGER NOISE REJECTION:  {B TRG AFT DLY}
296.002  DISP         Pull the B SEC/DIV knob out, rotate it to 5 us
296.002  DISP         and push it back in.
296.002  DISP
296.002  DISP         Press the A/B TRIG button to select the B TRIGGER.
296.002  DISP
296.002  DISP         Set the TRIGGER MODE switch to B TRIG AFT DLY.
296.003  MATH         MEM = M[1]
296.004  5520         50kH                         mVpp           LS S6 S  L
296.005  EVAL   [N]Will {display trigger}?
297.001  DISP         Rotate B SEC/DIV switch back to 10 us (knobs locked).
297.002  HEAD         TRIGGER NOISE REJECTION:  {CHANNEL 3 A SWEEP}
297.003  DISP         MAKE THE FOLLOWING CONNECTION...
297.003  DISP
297.003  DISP         5520 SCOPE OUTPUT ---------50 Ohm--CH 3 INPUT
297.003  DISP
297.003  DISP
297.003  DISP         VERTICAL MODE : CH 3
297.004  MATH         MEM = M[1]
297.005  5520         50kH                         mVpp           LS S6 S  L
297.006  EVAL   [N]Will {display trigger}?
298.001  HEAD         TRIGGER NOISE REJECTION:  {B TRG AFT DLY}
298.002  DISP         Pull the B SEC/DIV knob out, rotate it to 5 us
298.002  DISP         and push it back in.
298.002  DISP
298.002  DISP         Press the A/B TRIG button to select the B TRIGGER.
298.002  DISP
298.002  DISP         Set the TRIGGER MODE switch to B TRIG AFT DLY.
298.003  MATH         MEM = M[1]
298.004  5520         50kH                         mVpp           LS S6 S  L
298.005  EVAL   [N]Will {display trigger}?
299.001  DISP         Rotate B SEC/DIV switch back to 10 us (knobs locked).
299.002  HEAD         TRIGGER NOISE REJECTION:  {CHANNEL 4 A SWEEP}
299.003  DISP         MAKE THE FOLLOWING CONNECTION...
299.003  DISP
299.003  DISP         5520 SCOPE OUTPUT ---------50 Ohm--CH 4 INPUT
299.003  DISP
299.003  DISP
299.003  DISP         VERTICAL MODE : CH 4
299.004  MATH         MEM = M[1]
299.005  5520         50kH                         mVpp           LS S6 S  L
299.006  EVAL   [N]Will {display trigger}?
300.001  HEAD         TRIGGER NOISE REJECTION:  {B TRG AFT DLY}
300.002  DISP         Pull the B SEC/DIV knob out, rotate it to 5 us
300.002  DISP         and push it back in.
300.002  DISP
300.002  DISP         Press the A/B TRIG button to select the B TRIGGER.
300.002  DISP
300.002  DISP         Set the TRIGGER MODE switch to B TRIG AFT DLY.
300.003  MATH         MEM = M[1]
300.004  5520         50kH                         mVpp           LS S6 S  L
300.005  EVAL   [N]Will {display trigger}?
301.001  DISP         Rotate B SEC/DIV switch back to 10 us (knobs locked).
301.002  HEAD         {SLOPE SELECTION AND VERIFY LINE}
301.003  DISP         A and B SEC/DIV  : 2 ms (knobs locked)
301.003  DISP         X10 MAG          : Off (button out)
301.003  DISP         TRIGGER MODE     : AUTO
301.003  DISP         TRIGGER SOURCE   : LINE
301.003  DISP         TRIGGER COUPLING : AC
301.003  DISP         CH 1 VOLTS/DIV   : 5 V
301.003  DISP         CH 1 COUPLING    : 1 MOhm DC
301.004  DISP         In the next part, DO NOT connect the probe
301.004  DISP         ground lead to the AC power source.
301.004  DISP
301.004  DISP         Attach the 10X probe to the CH 1 OR X input connector
301.004  DISP         and connect the probe tip to the AC power source.
301.005  MESS         Check that display can be triggered in both
301.005  MESS         the + (plus) and - (minus) positions of the
301.005  MESS         SLOPE switch using the TRIGGER LEVEL
301.005  MESS         control and that the displayed slope agrees
301.005  MESS         with the selected slope.
301.005  MESS
301.006  EVAL   Does {slope selection operate properly (+ and - slopes)}?
302.001  MESS
302.002  MESS         Check that display phase shifts slightly as
302.002  MESS         the TRIGGER COUPLING switch is changed from AC to DC.
302.002  MESS
302.003  EVAL   Does {display phase shift slightly from AC to DC}?
303.001  MESS
303.002  EVAL   Does {display free run at both extremes of TRIG LVL control}?
304.001  ASK-   R     N                J                          F        W
304.002  ASK+     D                        U
304.003  HEAD         HORIZONTAL INITIAL CONTROL SETTINGS
304.004  DISP         MAKE THE FOLLOWING CONNECTION...
304.004  DISP
304.004  DISP         5520 SCOPE OUTPUT ----------CH 1 INPUT
304.004  DISP
304.005  DISP         VERTICAL MODE         : CH 1 ON, All others OFF
304.005  DISP         CHOP/ALT              : ALT (button out)
304.005  DISP         20 MHz BW LIMIT       : Off (button out)
304.005  DISP         CH 1 VOLTS/DIV        : 0.5 V
304.005  DISP         CH 1 VAR VOLTS/DIV    : In detent
304.005  DISP         CH 3 & CH 4 VOLTS/DIV : 0.1 V (buttons out)
304.005  DISP         CH 1 COUPLING         : 50 Ohm DC
304.006  DISP         A and B SEC/DIV     : 200 ns (knobs locked)
304.006  DISP         A and B VAR SEC/DIV : CAL (In detent)
304.006  DISP         X10 MAG             : Off (button out)
304.006  DISP         DELTA V and DELTA T : Off
304.006  DISP         TRACKING            : Off (button out)
304.006  DISP         TRACE SEP           : Fully CW
304.007  DISP         TRIGGER HOLDOFF  : B ENDS A
304.007  DISP         TRIGGER LEVEL    : Midrange
304.007  DISP         TRIGGER SLOPE    : + (plus)
304.007  DISP         TRIGGER MODE     : AUTO LVL
304.007  DISP         TRIGGER SOURCE   : VERT
304.007  DISP         TRIGGER COUPLING : DC
304.008  HEAD         {HORIZONTAL DISPLAY MODES}
304.009  5520         200nT                                       M1 S6 S  L
304.010  DISP         Adjust the TRIGGER LEVEL control as
304.010  DISP         necessary for a stable signal display.
304.010  DISP
304.010  DISP         Pull the B SEC/DIV knob out and set the
304.010  DISP         B TRIGGER MODE to RUN AFT DLY.
304.011  HEAD         HORIZONTAL DISPLAY MODES:  {A INTEN}
304.012  DISP         Set the DELTA REF OR DLY control for a DLY
304.012  DISP         readout of approx 1000 ns.
304.013  EVAL   Does {intensified zone appear on signal near grat. center}?
305.001  HEAD         HORIZONTAL DISPLAY MODES:  {ALT DISPLAY}
305.002  5520         200nT                                       M1 S6 S  L
305.003  DISP         Rotate the DELTA REF OR DLY POS control to
305.003  DISP         center the intensified zone on one of the time
305.003  DISP         markers near graticule center.
305.003  DISP
305.003  DISP         Set the B SEC/DIV control to 50 ns (knob out).
305.004  DISP         Rotate the TRACE SEP control CCW to
305.004  DISP         separate the A and B sweep displays.
305.005  EVAL   Is {B sweep displayed with the A sweep}?
306.001  HEAD         HORIZONTAL DISPLAY MODES:  {B DISPLAY}
306.002  5520         200nT                                       M1 S6 S  L
306.003  DISP         Push the B SEC/DIV knob in.
306.004  EVAL   Is {only the B sweep displayed}?
307.001  HEAD         {A TIMING AND CURSOR ACCURACY}
307.002  DISP         A and B SEC/DIV : 10 ns (knobs locked)
307.002  DISP         TRACE SEP       : Fully CW
307.002  DISP         DELTA T         : On
307.003  5520         10nT                                        M4 S6 S  L
307.004  DISP         Adjust TRIGGER LEVEL control for a stable display.
307.004  DISP
307.004  DISP         Use the Horizontal POSITION control to
307.004  DISP         align the 2nd time marker with the 2nd vertical
307.004  DISP         graticule line (2nd from the left edge of the display).
307.005  DISP         NOTE:  The 10 ns time marker is sinusoidal.
307.005  DISP         Use either the rising or falling zero-crossings
307.005  DISP         as alignment points.
307.006  HEAD         A TIMING AND CURSOR ACCURACY:  {10 ns/div}
307.007  RNG          10nT
307.008  5520         10nT                                        M4 S6 S  L
307.009  RSLT         =10th graticule +/- 0.12 div?
307.010  MESS         Is the 10th time marker within +/- 0.12 div
307.011  EVAL   of the 10th verticle graticule?
308.001  MESS
308.002  5520         10nT                                        M4 S6 S  L
308.003  DISP         Align the DELTA REF cursor with the 2nd time marker
308.003  DISP         and align the A cursor with the 10th time marker.
308.004  MESS
308.005  EVAL   Is {Delta T readout 79.30 to 80.70 ns}?
309.001  HEAD         A TIMING AND CURSOR ACCURACY:  {20 ns/div}
309.002  ASK+   R
309.003  RNG          20nT
309.004  5520         20nT                                        M1 S6 S  L
309.005  DISP         Use the Horizontal POSITION control to
309.005  DISP         align the 2nd time marker with the 2nd vertical
309.005  DISP         graticule line (2nd from the left edge of the display).
309.006  RSLT         =10th graticule +/- 0.12 div?
309.007  MESS         Is the 10th time marker within +/- 0.12 div
309.008  EVAL   of the 10th verticle graticule?
310.001  MESS
310.002  5520         20nT                                        M1 S6 S  L
310.003  EVAL   Is {Delta T readout 158.60 to 161.40 ns}?
311.001  HEAD         A TIMING AND CURSOR ACCURACY:  {50 ns/div}
311.002  RNG          50nT
311.003  5520         50nT                                        M1 S6 S  L
311.004  DISP         Use the Horizontal POSITION control to
311.004  DISP         align the 2nd time marker with the 2nd vertical
311.004  DISP         graticule line (2nd from the left edge of the display).
311.005  RSLT         =10th graticule +/- 0.12 div?
311.006  MESS         Is the 10th time marker within +/- 0.12 div
311.007  EVAL   of the 10th verticle graticule?
312.001  MESS
312.002  5520         50nT                                        M1 S6 S  L
312.003  EVAL   Is {Delta T readout 396.5 to 403.5 ns}?
313.001  HEAD         A TIMING AND CURSOR ACCURACY:  {.1 us/div}
313.002  RNG          0.1uT
313.003  5520         0.1uT                                       M1 S6 S  L
313.004  DISP         Use the Horizontal POSITION control to
313.004  DISP         align the 2nd time marker with the 2nd vertical
313.004  DISP         graticule line (2nd from the left edge of the display).
313.005  RSLT         =10th graticule +/- 0.12 div?
313.006  MESS         Is the 10th time marker within +/- 0.12 div
313.007  EVAL   of the 10th verticle graticule?
314.001  MESS
314.002  5520         0.1uT                                       M1 S6 S  L
314.003  EVAL   Is {Delta T readout 793.0 to 807.0 ns}?
315.001  HEAD         A TIMING AND CURSOR ACCURACY:  {.2 us/div}
315.002  RNG          0.2uT
315.003  5520         0.2uT                                       M1 S6 S  L
315.004  DISP         Use the Horizontal POSITION control to
315.004  DISP         align the 2nd time marker with the 2nd vertical
315.004  DISP         graticule line (2nd from the left edge of the display).
315.005  RSLT         =10th graticule +/- 0.12 div?
315.006  MESS         Is the 10th time marker within +/- 0.12 div
315.007  EVAL   of the 10th verticle graticule?
316.001  MESS
316.002  5520         0.2uT                                       M1 S6 S  L
316.003  EVAL   Is {Delta T readout 1586.0 to 1614.0 ns}?
317.001  HEAD         A TIMING AND CURSOR ACCURACY:  {.5 us/div}
317.002  RNG          0.5uT
317.003  5520         0.5uT                                       M1 S6 S  L
317.004  DISP         Use the Horizontal POSITION control to
317.004  DISP         align the 2nd time marker with the 2nd vertical
317.004  DISP         graticule line (2nd from the left edge of the display).
317.005  RSLT         =10th graticule +/- 0.12 div?
317.006  MESS         Is the 10th time marker within +/- 0.12 div
317.007  EVAL   of the 10th verticle graticule?
318.001  MESS
318.002  5520         0.5uT                                       M1 S6 S  L
318.003  EVAL   Is {Delta T readout 3965 to 4035 ns}?
319.001  HEAD         A TIMING AND CURSOR ACCURACY:  {1 us/div}
319.002  RNG          1uT
319.003  5520         1uT                                         M1 S6 S  L
319.004  DISP         Use the Horizontal POSITION control to
319.004  DISP         align the 2nd time marker with the 2nd vertical
319.004  DISP         graticule line (2nd from the left edge of the display).
319.005  RSLT         =10th graticule +/- 0.12 div?
319.006  MESS         Is the 10th time marker within +/- 0.12 div
319.007  EVAL   of the 10th verticle graticule?
320.001  MESS
320.002  5520         1uT                                         M1 S6 S  L
320.003  EVAL   Is {Delta T readout 7.930 to 8.070 us}?
321.001  HEAD         A TIMING AND CURSOR ACCURACY:  {2 us/div}
321.002  RNG          2uT
321.003  5520         2uT                                         M1 S6 S  L
321.004  DISP         Use the Horizontal POSITION control to
321.004  DISP         align the 2nd time marker with the 2nd vertical
321.004  DISP         graticule line (2nd from the left edge of the display).
321.005  RSLT         =10th graticule +/- 0.12 div?
321.006  MESS         Is the 10th time marker within +/- 0.12 div
321.007  EVAL   of the 10th verticle graticule?
322.001  MESS
322.002  5520         2uT                                         M1 S6 S  L
322.003  EVAL   Is {Delta T readout 15.860 to 16.140 us}?
323.001  HEAD         A TIMING AND CURSOR ACCURACY:  {5 us/div}
323.002  RNG          5uT
323.003  5520         5uT                                         M1 S6 S  L
323.004  DISP         Use the Horizontal POSITION control to
323.004  DISP         align the 2nd time marker with the 2nd vertical
323.004  DISP         graticule line (2nd from the left edge of the display).
323.005  RSLT         =10th graticule +/- 0.12 div?
323.006  MESS         Is the 10th time marker within +/- 0.12 div
323.007  EVAL   of the 10th verticle graticule?
324.001  MESS
324.002  5520         5uT                                         M1 S6 S  L
324.003  EVAL   Is {Delta T readout 39.65 to 40.35 us}?
325.001  HEAD         A TIMING AND CURSOR ACCURACY:  {10 us/div}
325.002  RNG          10uT
325.003  5520         10uT                                        M1 S6 S  L
325.004  DISP         Use the Horizontal POSITION control to
325.004  DISP         align the 2nd time marker with the 2nd vertical
325.004  DISP         graticule line (2nd from the left edge of the display).
325.005  RSLT         =10th graticule +/- 0.12 div?
325.006  MESS         Is the 10th time marker within +/- 0.12 div
325.007  EVAL   of the 10th verticle graticule?
326.001  MESS
326.002  5520         10uT                                        M1 S6 S  L
326.003  EVAL   Is {Delta T readout 79.30 to 80.70 us}?
327.001  HEAD         A TIMING AND CURSOR ACCURACY:  {20 us/div}
327.002  RNG          20uT
327.003  5520         20uT                                        M1 S6 S  L
327.004  DISP         Use the Horizontal POSITION control to
327.004  DISP         align the 2nd time marker with the 2nd vertical
327.004  DISP         graticule line (2nd from the left edge of the display).
327.005  RSLT         =10th graticule +/- 0.12 div?
327.006  MESS         Is the 10th time marker within +/- 0.12 div
327.007  EVAL   of the 10th verticle graticule?
328.001  MESS
328.002  EVAL   Is {Delta T readout 158.60 to 161.40 us}?
329.001  HEAD         A TIMING AND CURSOR ACCURACY:  {50 us/div}
329.002  RNG          50uT
329.003  5520         50uT                                        M1 S6 S  L
329.004  DISP         Use the Horizontal POSITION control to
329.004  DISP         align the 2nd time marker with the 2nd vertical
329.004  DISP         graticule line (2nd from the left edge of the display).
329.005  RSLT         =10th graticule +/- 0.12 div?
329.006  MESS         Is the 10th time marker within +/- 0.12 div
329.007  EVAL   of the 10th verticle graticule?
330.001  MESS
330.002  5520         50uT                                        M1 S6 S  L
330.003  EVAL   Is {Delta T readout 396.5 to 403.5 us}?
331.001  HEAD         A TIMING AND CURSOR ACCURACY:  {.1 ms/div}
331.002  RNG          0.1mT
331.003  5520         0.1mT                                       M1 S6 S  L
331.004  DISP         Use the Horizontal POSITION control to
331.004  DISP         align the 2nd time marker with the 2nd vertical
331.004  DISP         graticule line (2nd from the left edge of the display).
331.005  RSLT         =10th graticule +/- 0.12 div?
331.006  MESS         Is the 10th time marker within +/- 0.12 div
331.007  EVAL   of the 10th verticle graticule?
332.001  MESS
332.002  5520         0.1mT                                       M1 S6 S  L
332.003  EVAL   Is {Delta T readout 793.0 to 807.0 us}?
333.001  HEAD         A TIMING AND CURSOR ACCURACY:  {.2 ms/div}
333.002  RNG          0.2mT
333.003  5520         0.2mT                                       M1 S6 S  L
333.004  DISP         Use the Horizontal POSITION control to
333.004  DISP         align the 2nd time marker with the 2nd vertical
333.004  DISP         graticule line (2nd from the left edge of the display).
333.005  RSLT         =10th graticule +/- 0.12 div?
333.006  MESS         Is the 10th time marker within +/- 0.12 div
333.007  EVAL   of the 10th verticle graticule?
334.001  MESS
334.002  5520         0.2mT                                       M1 S6 S  L
334.003  EVAL   Is {Delta T readout 1586.0 to 1614.0 us}?
335.001  HEAD         A TIMING AND CURSOR ACCURACY:  {.5 ms/div}
335.002  RNG          0.5mT
335.003  5520         0.5mT                                       M1 S6 S  L
335.004  DISP         Use the Horizontal POSITION control to
335.004  DISP         align the 2nd time marker with the 2nd vertical
335.004  DISP         graticule line (2nd from the left edge of the display).
335.005  RSLT         =10th graticule +/- 0.12 div?
335.006  MESS         Is the 10th time marker within +/- 0.12 div
335.007  EVAL   of the 10th verticle graticule?
336.001  MESS
336.002  5520         0.5mT                                       M1 S6 S  L
336.003  EVAL   Is {Delta T readout 3965 to 4035 us}?
337.001  HEAD         A TIMING AND CURSOR ACCURACY:  {1 ms/div}
337.002  RNG          1mT
337.003  5520         1mT                                         M1 S6 S  L
337.004  DISP         Use the Horizontal POSITION control to
337.004  DISP         align the 2nd time marker with the 2nd vertical
337.004  DISP         graticule line (2nd from the left edge of the display).
337.005  RSLT         =10th graticule +/- 0.12 div?
337.006  MESS         Is the 10th time marker within +/- 0.12 div
337.007  EVAL   of the 10th verticle graticule?
338.001  MESS
338.002  5520         1mT                                         M1 S6 S  L
338.003  EVAL   Is {Delta T readout 7.930 to 8.070 ms}?
339.001  HEAD         A TIMING AND CURSOR ACCURACY:  {2 ms/div}
339.002  RNG          2mT
339.003  5520         2mT                                         M1 S6 S  L
339.004  DISP         Use the Horizontal POSITION control to
339.004  DISP         align the 2nd time marker with the 2nd vertical
339.004  DISP         graticule line (2nd from the left edge of the display).
339.005  RSLT         =10th graticule +/- 0.12 div?
339.006  MESS         Is the 10th time marker within +/- 0.12 div
339.007  EVAL   of the 10th verticle graticule?
340.001  MESS
340.002  5520         2mT                                         M1 S6 S  L
340.003  EVAL   Is {Delta T readout 15.860 to 16.140 ms}?
341.001  HEAD         A TIMING AND CURSOR ACCURACY:  {5 ms/div}
341.002  RNG          5mT
341.003  5520         5mT                                         M1 S6 S  L
341.004  DISP         Use the Horizontal POSITION control to
341.004  DISP         align the 2nd time marker with the 2nd vertical
341.004  DISP         graticule line (2nd from the left edge of the display).
341.005  RSLT         =10th graticule +/- 0.12 div?
341.006  MESS         Is the 10th time marker within +/- 0.12 div
341.007  EVAL   of the 10th verticle graticule?
342.001  MESS
342.002  5520         5mT                                         M1 S6 S  L
342.003  EVAL   Is {Delta T readout 39.65 to 40.35 ms}?
343.001  HEAD         A TIMING AND CURSOR ACCURACY:  {10 ms/div}
343.002  RNG          10mT
343.003  5520         10mT                                        M1 S6 S  L
343.004  DISP         Use the Horizontal POSITION control to
343.004  DISP         align the 2nd time marker with the 2nd vertical
343.004  DISP         graticule line (2nd from the left edge of the display).
343.005  RSLT         =10th graticule +/- 0.12 div?
343.006  MESS         Is the 10th time marker within +/- 0.12 div
343.007  EVAL   of the 10th verticle graticule?
344.001  MESS
344.002  5520         10mT                                        M1 S6 S  L
344.003  EVAL   Is {Delta T readout 79.30 to 80.70 ms}?
345.001  HEAD         A TIMING AND CURSOR ACCURACY:  {20 ms/div}
345.002  RNG          20mT
345.003  5520         20mT                                        M1 S6 S  L
345.004  DISP         Use the Horizontal POSITION control to
345.004  DISP         align the 2nd time marker with the 2nd vertical
345.004  DISP         graticule line (2nd from the left edge of the display).
345.005  RSLT         =10th graticule +/- 0.12 div?
345.006  MESS         Is the 10th time marker within +/- 0.12 div
345.007  EVAL   of the 10th verticle graticule?
346.001  MESS
346.002  5520         20mT                                        M1 S6 S  L
346.003  EVAL   Is {Delta T readout 158.60 to 161.40 ms}?
347.001  HEAD         A TIMING AND CURSOR ACCURACY:  {50 ms/div}
347.002  RNG          50mT
347.003  5520         50mT                                        M1 S6 S  L
347.004  DISP         Use the Horizontal POSITION control to
347.004  DISP         align the 2nd time marker with the 2nd vertical
347.004  DISP         graticule line (2nd from the left edge of the display).
347.005  RSLT         =10th graticule +/- 0.12 div?
347.006  MESS         Is the 10th time marker within +/- 0.12 div
347.007  EVAL   of the 10th verticle graticule?
348.001  MESS
348.002  5520         50mT                                        M1 S6 S  L
348.003  EVAL   Is {Delta T readout 396.5 to 403.5 ms}?
349.001  HEAD         A TIMING AND CURSOR ACCURACY:  {.1 S/div}
349.002  RNG          0.1T
349.003  5520         0.1T                                        M1 S6 S  L
349.004  DISP         Use the Horizontal POSITION control to
349.004  DISP         align the 2nd time marker with the 2nd vertical
349.004  DISP         graticule line (2nd from the left edge of the display).
349.005  RSLT         =10th graticule +/- 0.12 div?
349.006  MESS         Is the 10th time marker within +/- 0.12 div
349.007  EVAL   of the 10th verticle graticule?
350.001  MESS
350.002  5520         0.1T                                        M1 S6 S  L
350.003  EVAL   Is {Delta T readout 793.0 to 807.0 ms}?
351.001  HEAD         A TIMING AND CURSOR ACCURACY:  {.2 S/div}
351.002  RNG          0.2T
351.003  5520         0.2T                                        M1 S6 S  L
351.004  DISP         Use the Horizontal POSITION control to
351.004  DISP         align the 2nd time marker with the 2nd vertical
351.004  DISP         graticule line (2nd from the left edge of the display).
351.005  RSLT         =10th graticule +/- 0.12 div?
351.006  MESS         Is the 10th time marker within +/- 0.12 div
351.007  EVAL   of the 10th verticle graticule?
352.001  MESS
352.002  5520         0.2T                                        M1 S6 S  L
352.003  EVAL   Is {Delta T readout 1578.0 to 1622.0 ms}?
353.001  HEAD         A TIMING AND CURSOR ACCURACY:  {.5 S/div}
353.002  RNG          0.5T
353.003  5520         0.5T                                        M1 S6 S  L
353.004  DISP         Use the Horizontal POSITION control to
353.004  DISP         align the 2nd time marker with the 2nd vertical
353.004  DISP         graticule line (2nd from the left edge of the display).
353.005  RSLT         =10th graticule +/- 0.12 div?
353.006  MESS         Is the 10th time marker within +/- 0.12 div
353.007  EVAL   of the 10th verticle graticule?
354.001  MESS
354.002  5520         0.5T                                        M1 S6 S  L
354.003  EVAL   Is {Delta T readout 3945 to 4055 ms}?
355.001  RSLT         = X10 MAG
355.002  HEAD         A TIMING AND CURSOR ACCURACY:  {10 ns/div}
355.003  DISP         NOTE:  The 2 ns and the 5 ns time markers are
355.003  DISP         sinusoidal.  Use either the rising or falling
355.003  DISP         zero-crossings as alignment points.
355.004  DISP         A and B TIME/DIV : 10 ns
355.004  DISP         X10 MAG          : ON
355.005  5520         2nT                                         M4 S6 S  L
355.006  DISP         Align the DELTA REF cursor with the 2nd time marker
355.006  DISP         and align the A cursor with the 10th time marker.
355.006  DISP
355.006  DISP         Check display for 2 div/cycle (4 cycles)
355.007  EVAL   Is {Delta T readout 7.89 to 8.11 ns}?
356.001  5520         2nT                                         M4 S6 S  L
356.002  RSLT         =10th graticule +/- 0.16 div?
356.003  MESS         Is the 4th time marker within +/- 0.16 div
356.004  EVAL   of the 10th verticle graticule?
357.001  MESS
357.002  HEAD         A TIMING AND CURSOR ACCURACY:  {20 ns/div}
357.003  RNG          2nT
357.004  5520         2nT                                         M4 S6 S  L
357.005  DISP         Use the Horizontal POSITION control to
357.005  DISP         align the 2nd time marker with the 2nd vertical
357.005  DISP         graticule line (2nd from the left edge of the display).
357.006  RSLT         =10th graticule +/- 0.16 div?
357.007  MESS         Is the 10th time marker within +/- 0.16 div
357.008  EVAL   of the 10th verticle graticule?
358.001  MESS
358.002  5520         2nT                                         M4 S6 S  L
358.003  EVAL   Is {Delta T readout 15.78 to 16.22 ns}?
359.001  HEAD         A TIMING AND CURSOR ACCURACY:  {50 ns/div}
359.002  RNG          5nT
359.003  5520         5nT                                         M4 S6 S  L
359.004  DISP         Use the Horizontal POSITION control to
359.004  DISP         align the 2nd time marker with the 2nd vertical
359.004  DISP         graticule line (2nd from the left edge of the display).
359.005  RSLT         =10th graticule +/- 0.16 div?
359.006  MESS         Is the 10th time marker within +/- 0.16 div
359.007  EVAL   of the 10th verticle graticule?
360.001  MESS
360.002  5520         5nT                                         M4 S6 S  L
360.003  EVAL   Is {Delta T readout 39.45 to 40.55 ns}?
361.001  HEAD         A TIMING AND CURSOR ACCURACY:  {.1 us/div}
361.002  RNG          10nT
361.003  5520         10nT                                        M4 S6 S  L
361.004  DISP         Use the Horizontal POSITION control to
361.004  DISP         align the 2nd time marker with the 2nd vertical
361.004  DISP         graticule line (2nd from the left edge of the display).
361.005  RSLT         =10th graticule +/- 0.16 div?
361.006  MESS         Is the 10th time marker within +/- 0.16 div
361.007  EVAL   of the 10th verticle graticule?
362.001  MESS
362.002  5520         10nT                                        M4 S6 S  L
362.003  EVAL   Is {Delta T readout 78.90 to 81.10 ns}?
363.001  HEAD         A TIMING AND CURSOR ACCURACY:  {.2 us/div}
363.002  RNG          20nT
363.003  5520         20nT                                        M1 S6 S  L
363.004  DISP         Use the Horizontal POSITION control to
363.004  DISP         align the 2nd time marker with the 2nd vertical
363.004  DISP         graticule line (2nd from the left edge of the display).
363.005  RSLT         =10th graticule +/- 0.16 div?
363.006  MESS         Is the 10th time marker within +/- 0.16 div
363.007  EVAL   of the 10th verticle graticule?
364.001  MESS
364.002  5520         20nT                                        M1 S6 S  L
364.003  EVAL   Is {Delta T readout 157.80 to 162.20 ns}?
365.001  HEAD         A TIMING AND CURSOR ACCURACY:  {.5 us/div}
365.002  RNG          50nT
365.003  5520         50nT                                        M1 S6 S  L
365.004  DISP         Use the Horizontal POSITION control to
365.004  DISP         align the 2nd time marker with the 2nd vertical
365.004  DISP         graticule line (2nd from the left edge of the display).
365.005  RSLT         =10th graticule +/- 0.16 div?
365.006  MESS         Is the 10th time marker within +/- 0.16 div
365.007  EVAL   of the 10th verticle graticule?
366.001  MESS
366.002  5520         50nT                                        M1 S6 S  L
366.003  EVAL   Is {Delta T readout 394.5 to 405.5 ns}?
367.001  HEAD         A TIMING AND CURSOR ACCURACY:  {1 us/div}
367.002  RNG          0.1uT
367.003  5520         0.1uT                                       M1 S6 S  L
367.004  DISP         Use the Horizontal POSITION control to
367.004  DISP         align the 2nd time marker with the 2nd vertical
367.004  DISP         graticule line (2nd from the left edge of the display).
367.005  RSLT         =10th graticule +/- 0.16 div?
367.006  MESS         Is the 10th time marker within +/- 0.16 div
367.007  EVAL   of the 10th verticle graticule?
368.001  MESS
368.002  5520         0.1uT                                       M1 S6 S  L
368.003  EVAL   Is {Delta T readout 789.0 to 811.0 ns}?
369.001  HEAD         A TIMING AND CURSOR ACCURACY:  {2 us/div}
369.002  RNG          0.2uT
369.003  5520         0.2uT                                       M1 S6 S  L
369.004  DISP         Use the Horizontal POSITION control to
369.004  DISP         align the 2nd time marker with the 2nd vertical
369.004  DISP         graticule line (2nd from the left edge of the display).
369.005  RSLT         =10th graticule +/- 0.16 div?
369.006  MESS         Is the 10th time marker within +/- 0.16 div
369.007  EVAL   of the 10th verticle graticule?
370.001  MESS
370.002  5520         0.2uT                                       M1 S6 S  L
370.003  EVAL   Is {Delta T readout 1578.0 to 1622.0 ns}?
371.001  HEAD         A TIMING AND CURSOR ACCURACY:  {5 us/div}
371.002  RNG          0.5uT
371.003  5520         0.5uT                                       M1 S6 S  L
371.004  DISP         Use the Horizontal POSITION control to
371.004  DISP         align the 2nd time marker with the 2nd vertical
371.004  DISP         graticule line (2nd from the left edge of the display).
371.005  RSLT         =10th graticule +/- 0.16 div?
371.006  MESS         Is the 10th time marker within +/- 0.16 div
371.007  EVAL   of the 10th verticle graticule?
372.001  MESS
372.002  5520         0.5uT                                       M1 S6 S  L
372.003  DISP         Use the Horizontal POSITION control to
372.003  DISP         align the 2nd time marker with the 2nd vertical
372.003  DISP         graticule line (2nd from the left edge of the display).
372.004  RSLT         =10th graticule +/- 0.16 div?
372.005  MESS         Is the 10th time marker within +/- 0.16 div
372.006  EVAL   of the 10th verticle graticule?
373.001  MESS
373.002  EVAL   Is {Delta T readout 3945 to 4055 ns}?
374.001  HEAD         A TIMING AND CURSOR ACCURACY:  {10 us/div}
374.002  RNG          1uT
374.003  5520         1uT                                         M1 S6 S  L
374.004  DISP         Use the Horizontal POSITION control to
374.004  DISP         align the 2nd time marker with the 2nd vertical
374.004  DISP         graticule line (2nd from the left edge of the display).
374.005  RSLT         =10th graticule +/- 0.16 div?
374.006  MESS         Is the 10th time marker within +/- 0.16 div
374.007  EVAL   of the 10th verticle graticule?
375.001  MESS
375.002  5520         1uT                                         M1 S6 S  L
375.003  EVAL   Is {Delta T readout 7.890 to 8.110 us}?
376.001  HEAD         A TIMING AND CURSOR ACCURACY:  {20 us/div}
376.002  RNG          2uT
376.003  5520         2uT                                         M1 S6 S  L
376.004  DISP         Use the Horizontal POSITION control to
376.004  DISP         align the 2nd time marker with the 2nd vertical
376.004  DISP         graticule line (2nd from the left edge of the display).
376.005  RSLT         =10th graticule +/- 0.16 div?
376.006  MESS         Is the 10th time marker within +/- 0.16 div
376.007  EVAL   of the 10th verticle graticule?
377.001  MESS
377.002  5520         2uT                                         M1 S6 S  L
377.003  EVAL   Is {Delta T readout 15.780 to 16.220 us}?
378.001  HEAD         A TIMING AND CURSOR ACCURACY:  {50 us/div}
378.002  RNG          5uT
378.003  5520         5uT                                         M1 S6 S  L
378.004  DISP         Use the Horizontal POSITION control to
378.004  DISP         align the 2nd time marker with the 2nd vertical
378.004  DISP         graticule line (2nd from the left edge of the display).
378.005  RSLT         =10th graticule +/- 0.16 div?
378.006  MESS         Is the 10th time marker within +/- 0.16 div
378.007  EVAL   of the 10th verticle graticule?
379.001  MESS
379.002  5520         5uT                                         M1 S6 S  L
379.003  EVAL   Is {Delta T readout 39.45 to 40.55 us}?
380.001  HEAD         A TIMING AND CURSOR ACCURACY:  {.1 ms/div}
380.002  RNG          10uT
380.003  5520         10uT                                        M1 S6 S  L
380.004  DISP         Use the Horizontal POSITION control to
380.004  DISP         align the 2nd time marker with the 2nd vertical
380.004  DISP         graticule line (2nd from the left edge of the display).
380.005  RSLT         =10th graticule +/- 0.16 div?
380.006  MESS         Is the 10th time marker within +/- 0.16 div
380.007  EVAL   of the 10th verticle graticule?
381.001  MESS
381.002  5520         10uT                                        M1 S6 S  L
381.003  EVAL   Is {Delta T readout 78.90 to 81.10 us}?
382.001  HEAD         A TIMING AND CURSOR ACCURACY:  {.2 ms/div}
382.002  RNG          20uT
382.003  5520         20uT                                        M1 S6 S  L
382.004  DISP         Use the Horizontal POSITION control to
382.004  DISP         align the 2nd time marker with the 2nd vertical
382.004  DISP         graticule line (2nd from the left edge of the display).
382.005  RSLT         =10th graticule +/- 0.16 div?
382.006  MESS         Is the 10th time marker within +/- 0.16 div
382.007  EVAL   of the 10th verticle graticule?
383.001  MESS
383.002  5520         20uT                                        M1 S6 S  L
383.003  EVAL   Is {Delta T readout 157.80 to 162.20 us}?
384.001  HEAD         A TIMING AND CURSOR ACCURACY:  {.5 ms/div}
384.002  RNG          50uT
384.003  5520         50uT                                        M1 S6 S  L
384.004  DISP         Use the Horizontal POSITION control to
384.004  DISP         align the 2nd time marker with the 2nd vertical
384.004  DISP         graticule line (2nd from the left edge of the display).
384.005  RSLT         =10th graticule +/- 0.16 div?
384.006  MESS         Is the 10th time marker within +/- 0.16 div
384.007  EVAL   of the 10th verticle graticule?
385.001  MESS
385.002  5520         50uT                                        M1 S6 S  L
385.003  EVAL   Is {Delta T readout 394.5 to 405.5 us}?
386.001  HEAD         A TIMING AND CURSOR ACCURACY:  {1 ms/div}
386.002  RNG          0.1mT
386.003  5520         0.1mT                                       M1 S6 S  L
386.004  DISP         Use the Horizontal POSITION control to
386.004  DISP         align the 2nd time marker with the 2nd vertical
386.004  DISP         graticule line (2nd from the left edge of the display).
386.005  RSLT         =10th graticule +/- 0.16 div?
386.006  MESS         Is the 10th time marker within +/- 0.16 div
386.007  EVAL   of the 10th verticle graticule?
387.001  MESS
387.002  5520         0.1mT                                       M1 S6 S  L
387.003  EVAL   Is {Delta T readout 789.0 to 811.0 us}?
388.001  HEAD         A TIMING AND CURSOR ACCURACY:  {2 ms/div}
388.002  RNG          0.2mT
388.003  5520         0.2mT                                       M1 S6 S  L
388.004  DISP         Use the Horizontal POSITION control to
388.004  DISP         align the 2nd time marker with the 2nd vertical
388.004  DISP         graticule line (2nd from the left edge of the display).
388.005  RSLT         =10th graticule +/- 0.16 div?
388.006  MESS         Is the 10th time marker within +/- 0.16 div
388.007  EVAL   of the 10th verticle graticule?
389.001  MESS
389.002  5520         0.2mT                                       M1 S6 S  L
389.003  EVAL   Is {Delta T readout 1578.0 to 1622.0 us}?
390.001  HEAD         A TIMING AND CURSOR ACCURACY:  {5 ms/div}
390.002  RNG          0.5mT
390.003  5520         0.5mT                                       M1 S6 S  L
390.004  DISP         Use the Horizontal POSITION control to
390.004  DISP         align the 2nd time marker with the 2nd vertical
390.004  DISP         graticule line (2nd from the left edge of the display).
390.005  RSLT         =10th graticule +/- 0.16 div?
390.006  MESS         Is the 10th time marker within +/- 0.16 div
390.007  EVAL   of the 10th verticle graticule?
391.001  MESS
391.002  5520         0.5mT                                       M1 S6 S  L
391.003  EVAL   Is {Delta T readout 3945 to 4055 us}?
392.001  HEAD         A TIMING AND CURSOR ACCURACY:  {10 ms/div}
392.002  RNG          1mT
392.003  5520         1mT                                         M1 S6 S  L
392.004  DISP         Use the Horizontal POSITION control to
392.004  DISP         align the 2nd time marker with the 2nd vertical
392.004  DISP         graticule line (2nd from the left edge of the display).
392.005  RSLT         =10th graticule +/- 0.16 div?
392.006  MESS         Is the 10th time marker within +/- 0.16 div
392.007  EVAL   of the 10th verticle graticule?
393.001  MESS
393.002  5520         1mT                                         M1 S6 S  L
393.003  EVAL   Is {Delta T readout 7.890 to 8.110 ms}?
394.001  HEAD         A TIMING AND CURSOR ACCURACY:  {20 ms/div}
394.002  RNG          2mT
394.003  5520         2mT                                         M1 S6 S  L
394.004  DISP         Use the Horizontal POSITION control to
394.004  DISP         align the 2nd time marker with the 2nd vertical
394.004  DISP         graticule line (2nd from the left edge of the display).
394.005  RSLT         =10th graticule +/- 0.16 div?
394.006  MESS         Is the 10th time marker within +/- 0.16 div
394.007  EVAL   of the 10th verticle graticule?
395.001  MESS
395.002  5520         2mT                                         M1 S6 S  L
395.003  EVAL   Is {Delta T readout 15.780 to 16.220 ms}?
396.001  HEAD         A TIMING AND CURSOR ACCURACY:  {50 ms/div}
396.002  RNG          5mT
396.003  5520         5mT                                         M1 S6 S  L
396.004  DISP         Use the Horizontal POSITION control to
396.004  DISP         align the 2nd time marker with the 2nd vertical
396.004  DISP         graticule line (2nd from the left edge of the display).
396.005  RSLT         =10th graticule +/- 0.16 div?
396.006  MESS         Is the 10th time marker within +/- 0.16 div
396.007  EVAL   of the 10th verticle graticule?
397.001  MESS
397.002  5520         5mT                                         M1 S6 S  L
397.003  EVAL   Is {Delta T readout 39.45 to 40.55 ms}?
398.001  HEAD         A TIMING AND CURSOR ACCURACY:  {.1 S/div}
398.002  RNG          10mT
398.003  5520         10mT                                        M1 S6 S  L
398.004  DISP         Use the Horizontal POSITION control to
398.004  DISP         align the 2nd time marker with the 2nd vertical
398.004  DISP         graticule line (2nd from the left edge of the display).
398.005  RSLT         =10th graticule +/- 0.16 div?
398.006  MESS         Is the 10th time marker within +/- 0.16 div
398.007  EVAL   of the 10th verticle graticule?
399.001  MESS
399.002  5520         10mT                                        M1 S6 S  L
399.003  EVAL   Is {Delta T readout 78.90 to 81.10 ms}?
400.001  HEAD         A TIMING AND CURSOR ACCURACY:  {.2 S/div}
400.002  RNG          20mT
400.003  5520         20mT                                        M1 S6 S  L
400.004  DISP         Use the Horizontal POSITION control to
400.004  DISP         align the 2nd time marker with the 2nd vertical
400.004  DISP         graticule line (2nd from the left edge of the display).
400.005  RSLT         =10th graticule +/- 0.16 div?
400.006  MESS         Is the 10th time marker within +/- 0.16 div
400.007  EVAL   of the 10th verticle graticule?
401.001  MESS
401.002  5520         20mT                                        M1 S6 S  L
401.003  EVAL   Is {Delta T readout 157.00 to 163.00 ms}?
402.001  HEAD         A TIMING AND CURSOR ACCURACY:  {.5 S/div}
402.002  RNG          50mT
402.003  5520         50mT                                        M1 S6 S  L
402.004  DISP         Use the Horizontal POSITION control to
402.004  DISP         align the 2nd time marker with the 2nd vertical
402.004  DISP         graticule line (2nd from the left edge of the display).
402.005  RSLT         =10th graticule +/- 0.16 div?
402.006  MESS         Is the 10th time marker within +/- 0.16 div
402.007  EVAL   of the 10th verticle graticule?
403.001  MESS
403.002  5520         50mT                                        M1 S6 S  L
403.003  EVAL   Is {Delta T readout 392.5 to 407.5 ms}?
404.001  HEAD         {CURSOR RANGE}
404.002  DISP         X10 MAG          : OFF
404.003  DISP         Rotate the DELTA REF OR DLY POS control CCW
404.003  DISP         until the cursor stops moving.
404.004  EVAL   {DELTA REF cursor align with 1st grat. line (+/- 0.2 div}?
405.001  DISP         Rotate the DELTA control CW until the cursor stops
405.001  DISP         moving.
405.002  EVAL   {DELTA REF cursor align with 11th grat. line (+/- 0.2 div}?
406.001  HEAD         CURSOR RANGE:  {@ 2nd grat. line}
406.002  DISP         A and B SEC/DIV : 10 ns
406.002  DISP
406.002  DISP         Rotate the DELTA REF OR DLY and the DELTA controls
406.002  DISP         to precisely superimpose the cursors near the
406.002  DISP         2nd graticule line.
406.003  EVAL   Does {DELAT T readout indicates a difference of </= 0.30 ns}?
407.001  HEAD         CURSOR RANGE:  {@ 10th grat. line}
407.002  DISP         Rotate the DELTA REF OR DLY and the A controls
407.002  DISP         to precisely superimpose the cursors near the
407.002  DISP         10th graticule line.
407.003  EVAL   Does {DELAT T readout indicates a difference of </= 0.30 ns}?
408.001  ASK-   R     N                J                          F        W
408.002  ASK+     D
408.003  HEAD         {B TIMING ACCURACY}
408.004  DISP         B SEC/DIV            : 10 ns (knob in)
408.004  DISP         B TRIGGER MODE       : RUN AFT DLY
408.004  DISP         X10 MAG              : Off (button out)
408.004  DISP         DELTA T              : Off (DLY)
408.004  DISP         DELTA REF OR DLY POS : Set for zero delay
408.005  DISP         Throughout the B sweep timing accuracy tests,
408.005  DISP         make sure that the A SEC/DIV switch is set slower
408.005  DISP         than the B SEC/DIV switch. Disregard the cursor
408.005  DISP         accuracy data.
408.006  5520         10nT                                        M4 S6 S  L
408.007  DISP         Adjust TRIGGER LEVEL control for a stable display.
408.007  DISP
408.007  DISP         Use the Horizontal POSITION control to
408.007  DISP         align the 2nd time marker with the 2nd vertical
408.007  DISP         graticule line (2nd from the left edge of the display).
408.008  DISP         NOTE:  The 10 ns time marker is sinusoidal.
408.008  DISP         Use either the rising or falling zero-crossings
408.008  DISP         as alignment points.
408.009  HEAD         B TIMING AND CURSOR ACCURACY:  {10 ns/div}
408.010  5520         10nT                                        M4 S6 S  L
408.011  RSLT         =10th graticule +/- 0.12 div?
408.012  MESS         Is the 10th time marker within +/- 0.12 div
408.013  EVAL   of the 10th verticle graticule?
409.001  MESS
409.002  HEAD         B TIMING ACCURACY:  {20 ns/div}
409.003  ASK+   R
409.004  RNG          20nT
409.005  5520         20nT                                        M1 S6 S  L
409.006  DISP         Use the Horizontal POSITION control to
409.006  DISP         align the 2nd time marker with the 2nd vertical
409.006  DISP         graticule line (2nd from the left edge of the display).
409.007  RSLT         =10th graticule +/- 0.12 div?
409.008  MESS         Is the 10th time marker within +/- 0.12 div
409.009  EVAL   of the 10th verticle graticule?
410.001  MESS
410.002  HEAD         B TIMING ACCURACY:  {50 ns/div}
410.003  RNG          50nT
410.004  5520         50nT                                        M1 S6 S  L
410.005  DISP         Use the Horizontal POSITION control to
410.005  DISP         align the 2nd time marker with the 2nd vertical
410.005  DISP         graticule line (2nd from the left edge of the display).
410.006  RSLT         =10th graticule +/- 0.12 div?
410.007  MESS         Is the 10th time marker within +/- 0.12 div
410.008  EVAL   of the 10th verticle graticule?
411.001  MESS
411.002  HEAD         B TIMING ACCURACY:  {.1 us/div}
411.003  RNG          0.1uT
411.004  5520         0.1uT                                       M1 S6 S  L
411.005  DISP         Use the Horizontal POSITION control to
411.005  DISP         align the 2nd time marker with the 2nd vertical
411.005  DISP         graticule line (2nd from the left edge of the display).
411.006  RSLT         =10th graticule +/- 0.12 div?
411.007  MESS         Is the 10th time marker within +/- 0.12 div
411.008  EVAL   of the 10th verticle graticule?
412.001  MESS
412.002  HEAD         B TIMING ACCURACY:  {.2 us/div}
412.003  RNG          0.2uT
412.004  5520         0.2uT                                       M1 S6 S  L
412.005  DISP         Use the Horizontal POSITION control to
412.005  DISP         align the 2nd time marker with the 2nd vertical
412.005  DISP         graticule line (2nd from the left edge of the display).
412.006  RSLT         =10th graticule +/- 0.12 div?
412.007  MESS         Is the 10th time marker within +/- 0.12 div
412.008  EVAL   of the 10th verticle graticule?
413.001  MESS
413.002  HEAD         B TIMING AND CURSOR ACCURACY:  {.5 us/div}
413.003  RNG          0.5uT
413.004  5520         0.5uT                                       M1 S6 S  L
413.005  DISP         Use the Horizontal POSITION control to
413.005  DISP         align the 2nd time marker with the 2nd vertical
413.005  DISP         graticule line (2nd from the left edge of the display).
413.006  RSLT         =10th graticule +/- 0.12 div?
413.007  MESS         Is the 10th time marker within +/- 0.12 div
413.008  EVAL   of the 10th verticle graticule?
414.001  MESS
414.002  HEAD         B TIMING ACCURACY:  {1 us/div}
414.003  RNG          1uT
414.004  5520         1uT                                         M1 S6 S  L
414.005  DISP         Use the Horizontal POSITION control to
414.005  DISP         align the 2nd time marker with the 2nd vertical
414.005  DISP         graticule line (2nd from the left edge of the display).
414.006  RSLT         =10th graticule +/- 0.12 div?
414.007  MESS         Is the 10th time marker within +/- 0.12 div
414.008  EVAL   of the 10th verticle graticule?
415.001  MESS
415.002  HEAD         B TIMING ACCURACY:  {2 us/div}
415.003  RNG          2uT
415.004  5520         2uT                                         M1 S6 S  L
415.005  DISP         Use the Horizontal POSITION control to
415.005  DISP         align the 2nd time marker with the 2nd vertical
415.005  DISP         graticule line (2nd from the left edge of the display).
415.006  RSLT         =10th graticule +/- 0.12 div?
415.007  MESS         Is the 10th time marker within +/- 0.12 div
415.008  EVAL   of the 10th verticle graticule?
416.001  MESS
416.002  HEAD         B TIMING ACCURACY:  {5 us/div}
416.003  RNG          5uT
416.004  5520         5uT                                         M1 S6 S  L
416.005  DISP         Use the Horizontal POSITION control to
416.005  DISP         align the 2nd time marker with the 2nd vertical
416.005  DISP         graticule line (2nd from the left edge of the display).
416.006  RSLT         =10th graticule +/- 0.12 div?
416.007  MESS         Is the 10th time marker within +/- 0.12 div
416.008  EVAL   of the 10th verticle graticule?
417.001  MESS
417.002  HEAD         B TIMING ACCURACY:  {10 us/div}
417.003  RNG          10uT
417.004  5520         10uT                                        M1 S6 S  L
417.005  DISP         Use the Horizontal POSITION control to
417.005  DISP         align the 2nd time marker with the 2nd vertical
417.005  DISP         graticule line (2nd from the left edge of the display).
417.006  RSLT         =10th graticule +/- 0.12 div?
417.007  MESS         Is the 10th time marker within +/- 0.12 div
417.008  EVAL   of the 10th verticle graticule?
418.001  MESS
418.002  HEAD         B TIMING ACCURACY:  {20 us/div}
418.003  RNG          20uT
418.004  5520         20uT                                        M1 S6 S  L
418.005  DISP         Use the Horizontal POSITION control to
418.005  DISP         align the 2nd time marker with the 2nd vertical
418.005  DISP         graticule line (2nd from the left edge of the display).
418.006  RSLT         =10th graticule +/- 0.12 div?
418.007  MESS         Is the 10th time marker within +/- 0.12 div
418.008  EVAL   of the 10th verticle graticule?
419.001  MESS
419.002  HEAD         B TIMING ACCURACY:  {50 us/div}
419.003  RNG          50uT
419.004  5520         50uT                                        M1 S6 S  L
419.005  DISP         Use the Horizontal POSITION control to
419.005  DISP         align the 2nd time marker with the 2nd vertical
419.005  DISP         graticule line (2nd from the left edge of the display).
419.006  RSLT         =10th graticule +/- 0.12 div?
419.007  MESS         Is the 10th time marker within +/- 0.12 div
419.008  EVAL   of the 10th verticle graticule?
420.001  MESS
420.002  HEAD         B TIMING ACCURACY:  {.1 ms/div}
420.003  RNG          0.1mT
420.004  5520         0.1mT                                       M1 S6 S  L
420.005  DISP         Use the Horizontal POSITION control to
420.005  DISP         align the 2nd time marker with the 2nd vertical
420.005  DISP         graticule line (2nd from the left edge of the display).
420.006  RSLT         =10th graticule +/- 0.12 div?
420.007  MESS         Is the 10th time marker within +/- 0.12 div
420.008  EVAL   of the 10th verticle graticule?
421.001  MESS
421.002  HEAD         B TIMING ACCURACY:  {.2 ms/div}
421.003  RNG          0.2mT
421.004  5520         0.2mT                                       M1 S6 S  L
421.005  DISP         Use the Horizontal POSITION control to
421.005  DISP         align the 2nd time marker with the 2nd vertical
421.005  DISP         graticule line (2nd from the left edge of the display).
421.006  RSLT         =10th graticule +/- 0.12 div?
421.007  MESS         Is the 10th time marker within +/- 0.12 div
421.008  EVAL   of the 10th verticle graticule?
422.001  MESS
422.002  HEAD         B TIMING ACCURACY:  {.5 ms/div}
422.003  RNG          0.5mT
422.004  5520         0.5mT                                       M1 S6 S  L
422.005  DISP         Use the Horizontal POSITION control to
422.005  DISP         align the 2nd time marker with the 2nd vertical
422.005  DISP         graticule line (2nd from the left edge of the display).
422.006  RSLT         =10th graticule +/- 0.12 div?
422.007  MESS         Is the 10th time marker within +/- 0.12 div
422.008  EVAL   of the 10th verticle graticule?
423.001  MESS
423.002  HEAD         B TIMING ACCURACY:  {1 ms/div}
423.003  RNG          1mT
423.004  5520         1mT                                         M1 S6 S  L
423.005  DISP         Use the Horizontal POSITION control to
423.005  DISP         align the 2nd time marker with the 2nd vertical
423.005  DISP         graticule line (2nd from the left edge of the display).
423.006  RSLT         =10th graticule +/- 0.12 div?
423.007  MESS         Is the 10th time marker within +/- 0.12 div
423.008  EVAL   of the 10th verticle graticule?
424.001  MESS
424.002  HEAD         B TIMING ACCURACY:  {2 ms/div}
424.003  RNG          2mT
424.004  5520         2mT                                         M1 S6 S  L
424.005  DISP         Use the Horizontal POSITION control to
424.005  DISP         align the 2nd time marker with the 2nd vertical
424.005  DISP         graticule line (2nd from the left edge of the display).
424.006  RSLT         =10th graticule +/- 0.12 div?
424.007  MESS         Is the 10th time marker within +/- 0.12 div
424.008  EVAL   of the 10th verticle graticule?
425.001  MESS
425.002  HEAD         B TIMING ACCURACY:  {5 ms/div}
425.003  RNG          5mT
425.004  5520         5mT                                         M1 S6 S  L
425.005  DISP         Use the Horizontal POSITION control to
425.005  DISP         align the 2nd time marker with the 2nd vertical
425.005  DISP         graticule line (2nd from the left edge of the display).
425.006  RSLT         =10th graticule +/- 0.12 div?
425.007  MESS         Is the 10th time marker within +/- 0.12 div
425.008  EVAL   of the 10th verticle graticule?
426.001  MESS
426.002  HEAD         B TIMING ACCURACY:  {10 ms/div}
426.003  RNG          10mT
426.004  5520         10mT                                        M1 S6 S  L
426.005  DISP         Use the Horizontal POSITION control to
426.005  DISP         align the 2nd time marker with the 2nd vertical
426.005  DISP         graticule line (2nd from the left edge of the display).
426.006  RSLT         =10th graticule +/- 0.12 div?
426.007  MESS         Is the 10th time marker within +/- 0.12 div
426.008  EVAL   of the 10th verticle graticule?
427.001  MESS
427.002  HEAD         B TIMING ACCURACY:  {20 ms/div}
427.003  RNG          20mT
427.004  5520         20mT                                        M1 S6 S  L
427.005  DISP         Use the Horizontal POSITION control to
427.005  DISP         align the 2nd time marker with the 2nd vertical
427.005  DISP         graticule line (2nd from the left edge of the display).
427.006  RSLT         =10th graticule +/- 0.12 div?
427.007  MESS         Is the 10th time marker within +/- 0.12 div
427.008  EVAL   of the 10th verticle graticule?
428.001  MESS
428.002  HEAD         B TIMING ACCURACY:  {50 ms/div}
428.003  RNG          50mT
428.004  5520         50mT                                        M1 S6 S  L
428.005  DISP         Use the Horizontal POSITION control to
428.005  DISP         align the 2nd time marker with the 2nd vertical
428.005  DISP         graticule line (2nd from the left edge of the display).
428.006  RSLT         =10th graticule +/- 0.12 div?
428.007  MESS         Is the 10th time marker within +/- 0.12 div
428.008  EVAL   of the 10th verticle graticule?
429.001  MESS
429.002  RSLT         = X10 MAG
429.003  HEAD         B TIMING ACCURACY:  {10 ns/div}
429.004  DISP         B TIME/DIV : 10 ns
429.004  DISP         X10 MAG    : ON
429.005  DISP         NOTE:  The 2 ns and the 5 ns time markers are
429.005  DISP         sinusoidal.  Use either the rising or falling
429.005  DISP         zero-crossings as alignment points.
429.006  5520         2nT                                         M4 S6 S  L
429.007  DISP         Align the DELTA REF cursor with the 2nd time marker
429.007  DISP         and align the B cursor with the 10th time marker.
429.007  DISP
429.007  DISP         Check display for 2 div/cycle (4 cycles)
429.008  RSLT         =10th graticule +/- 0.16 div?
429.009  MESS         Is the 4th time marker within +/- 0.16 div
429.010  EVAL   of the 10th verticle graticule?
430.001  MESS
430.002  HEAD         B TIMING ACCURACY:  {20 ns/div}
430.003  RNG          2nT
430.004  5520         2nT                                         M4 S6 S  L
430.005  DISP         Use the Horizontal POSITION control to
430.005  DISP         align the 2nd time marker with the 2nd vertical
430.005  DISP         graticule line (2nd from the left edge of the display).
430.006  RSLT         =10th graticule +/- 0.16 div?
430.007  MESS         Is the 10th time marker within +/- 0.16 div
430.008  EVAL   of the 10th verticle graticule?
431.001  MESS
431.002  HEAD         B TIMING ACCURACY:  {50 ns/div}
431.003  RNG          5nT
431.004  5520         5nT                                         M4 S6 S  L
431.005  DISP         Use the Horizontal POSITION control to
431.005  DISP         align the 2nd time marker with the 2nd vertical
431.005  DISP         graticule line (2nd from the left edge of the display).
431.006  RSLT         =10th graticule +/- 0.16 div?
431.007  MESS         Is the 10th time marker within +/- 0.16 div
431.008  EVAL   of the 10th verticle graticule?
432.001  MESS
432.002  HEAD         B TIMING ACCURACY:  {.1 us/div}
432.003  RNG          10nT
432.004  5520         10nT                                        M4 S6 S  L
432.005  DISP         Use the Horizontal POSITION control to
432.005  DISP         align the 2nd time marker with the 2nd vertical
432.005  DISP         graticule line (2nd from the left edge of the display).
432.006  RSLT         =10th graticule +/- 0.16 div?
432.007  MESS         Is the 10th time marker within +/- 0.16 div
432.008  EVAL   of the 10th verticle graticule?
433.001  MESS
433.002  HEAD         B TIMING ACCURACY:  {.2 us/div}
433.003  RNG          20nT
433.004  5520         20nT                                        M1 S6 S  L
433.005  DISP         Use the Horizontal POSITION control to
433.005  DISP         align the 2nd time marker with the 2nd vertical
433.005  DISP         graticule line (2nd from the left edge of the display).
433.006  RSLT         =10th graticule +/- 0.16 div?
433.007  MESS         Is the 10th time marker within +/- 0.16 div
433.008  EVAL   of the 10th verticle graticule?
434.001  MESS
434.002  HEAD         B TIMING ACCURACY:  {.5 us/div}
434.003  RNG          50nT
434.004  5520         50nT                                        M1 S6 S  L
434.005  DISP         Use the Horizontal POSITION control to
434.005  DISP         align the 2nd time marker with the 2nd vertical
434.005  DISP         graticule line (2nd from the left edge of the display).
434.006  RSLT         =10th graticule +/- 0.16 div?
434.007  MESS         Is the 10th time marker within +/- 0.16 div
434.008  EVAL   of the 10th verticle graticule?
435.001  MESS
435.002  HEAD         B TIMING ACCURACY:  {1 us/div}
435.003  RNG          0.1uT
435.004  5520         0.1uT                                       M1 S6 S  L
435.005  DISP         Use the Horizontal POSITION control to
435.005  DISP         align the 2nd time marker with the 2nd vertical
435.005  DISP         graticule line (2nd from the left edge of the display).
435.006  RSLT         =10th graticule +/- 0.16 div?
435.007  MESS         Is the 10th time marker within +/- 0.16 div
435.008  EVAL   of the 10th verticle graticule?
436.001  MESS
436.002  HEAD         B TIMING ACCURACY:  {2 us/div}
436.003  RNG          0.2uT
436.004  5520         0.2uT                                       M1 S6 S  L
436.005  DISP         Use the Horizontal POSITION control to
436.005  DISP         align the 2nd time marker with the 2nd vertical
436.005  DISP         graticule line (2nd from the left edge of the display).
436.006  RSLT         =10th graticule +/- 0.16 div?
436.007  MESS         Is the 10th time marker within +/- 0.16 div
436.008  EVAL   of the 10th verticle graticule?
437.001  MESS
437.002  HEAD         B TIMING ACCURACY:  {5 us/div}
437.003  RNG          0.5uT
437.004  5520         0.5uT                                       M1 S6 S  L
437.005  DISP         Use the Horizontal POSITION control to
437.005  DISP         align the 2nd time marker with the 2nd vertical
437.005  DISP         graticule line (2nd from the left edge of the display).
437.006  RSLT         =10th graticule +/- 0.16 div?
437.007  MESS         Is the 10th time marker within +/- 0.16 div
437.008  EVAL   of the 10th verticle graticule?
438.001  MESS
438.002  HEAD         B TIMING ACCURACY:  {10 us/div}
438.003  RNG          1uT
438.004  5520         1uT                                         M1 S6 S  L
438.005  DISP         Use the Horizontal POSITION control to
438.005  DISP         align the 2nd time marker with the 2nd vertical
438.005  DISP         graticule line (2nd from the left edge of the display).
438.006  RSLT         =10th graticule +/- 0.16 div?
438.007  MESS         Is the 10th time marker within +/- 0.16 div
438.008  EVAL   of the 10th verticle graticule?
439.001  MESS
439.002  HEAD         B TIMING ACCURACY:  {20 us/div}
439.003  RNG          2uT
439.004  5520         2uT                                         M1 S6 S  L
439.005  DISP         Use the Horizontal POSITION control to
439.005  DISP         align the 2nd time marker with the 2nd vertical
439.005  DISP         graticule line (2nd from the left edge of the display).
439.006  RSLT         =10th graticule +/- 0.16 div?
439.007  MESS         Is the 10th time marker within +/- 0.16 div
439.008  EVAL   of the 10th verticle graticule?
440.001  MESS
440.002  HEAD         B TIMING ACCURACY:  {50 us/div}
440.003  RNG          5uT
440.004  5520         5uT                                         M1 S6 S  L
440.005  DISP         Use the Horizontal POSITION control to
440.005  DISP         align the 2nd time marker with the 2nd vertical
440.005  DISP         graticule line (2nd from the left edge of the display).
440.006  RSLT         =10th graticule +/- 0.16 div?
440.007  MESS         Is the 10th time marker within +/- 0.16 div
440.008  EVAL   of the 10th verticle graticule?
441.001  MESS
441.002  HEAD         B TIMING ACCURACY:  {.1 ms/div}
441.003  RNG          10uT
441.004  5520         10uT                                        M1 S6 S  L
441.005  DISP         Use the Horizontal POSITION control to
441.005  DISP         align the 2nd time marker with the 2nd vertical
441.005  DISP         graticule line (2nd from the left edge of the display).
441.006  RSLT         =10th graticule +/- 0.16 div?
441.007  MESS         Is the 10th time marker within +/- 0.16 div
441.008  EVAL   of the 10th verticle graticule?
442.001  MESS
442.002  HEAD         B TIMING ACCURACY:  {.2 ms/div}
442.003  RNG          20uT
442.004  5520         20uT                                        M1 S6 S  L
442.005  DISP         Use the Horizontal POSITION control to
442.005  DISP         align the 2nd time marker with the 2nd vertical
442.005  DISP         graticule line (2nd from the left edge of the display).
442.006  RSLT         =10th graticule +/- 0.16 div?
442.007  MESS         Is the 10th time marker within +/- 0.16 div
442.008  EVAL   of the 10th verticle graticule?
443.001  MESS
443.002  HEAD         B TIMING ACCURACY:  {.5 ms/div}
443.003  RNG          50uT
443.004  5520         50uT                                        M1 S6 S  L
443.005  DISP         Use the Horizontal POSITION control to
443.005  DISP         align the 2nd time marker with the 2nd vertical
443.005  DISP         graticule line (2nd from the left edge of the display).
443.006  RSLT         =10th graticule +/- 0.16 div?
443.007  MESS         Is the 10th time marker within +/- 0.16 div
443.008  EVAL   of the 10th verticle graticule?
444.001  MESS
444.002  HEAD         B TIMING ACCURACY:  {1 ms/div}
444.003  RNG          0.1mT
444.004  5520         0.1mT                                       M1 S6 S  L
444.005  DISP         Use the Horizontal POSITION control to
444.005  DISP         align the 2nd time marker with the 2nd vertical
444.005  DISP         graticule line (2nd from the left edge of the display).
444.006  RSLT         =10th graticule +/- 0.16 div?
444.007  MESS         Is the 10th time marker within +/- 0.16 div
444.008  EVAL   of the 10th verticle graticule?
445.001  MESS
445.002  HEAD         B TIMING ACCURACY: {2 ms/div}
445.003  RNG          0.2mT
445.004  5520         0.2mT                                       M1 S6 S  L
445.005  DISP         Use the Horizontal POSITION control to
445.005  DISP         align the 2nd time marker with the 2nd vertical
445.005  DISP         graticule line (2nd from the left edge of the display).
445.006  RSLT         =10th graticule +/- 0.16 div?
445.007  MESS         Is the 10th time marker within +/- 0.16 div
445.008  EVAL   of the 10th verticle graticule?
446.001  MESS
446.002  HEAD         B TIMING ACCURACY::  {5 ms/div}
446.003  RNG          0.5mT
446.004  5520         0.5mT                                       M1 S6 S  L
446.005  DISP         Use the Horizontal POSITION control to
446.005  DISP         align the 2nd time marker with the 2nd vertical
446.005  DISP         graticule line (2nd from the left edge of the display).
446.006  RSLT         =10th graticule +/- 0.16 div?
446.007  MESS         Is the 10th time marker within +/- 0.16 div
446.008  EVAL   of the 10th verticle graticule?
447.001  MESS
447.002  HEAD         B TIMING ACCURACY:  {10 ms/div}
447.003  RNG          1mT
447.004  5520         1mT                                         M1 S6 S  L
447.005  DISP         Use the Horizontal POSITION control to
447.005  DISP         align the 2nd time marker with the 2nd vertical
447.005  DISP         graticule line (2nd from the left edge of the display).
447.006  RSLT         =10th graticule +/- 0.16 div?
447.007  MESS         Is the 10th time marker within +/- 0.16 div
447.008  EVAL   of the 10th verticle graticule?
448.001  MESS
448.002  HEAD         B TIMING ACCURACY:  {20 ms/div}
448.003  RNG          2mT
448.004  5520         2mT                                         M1 S6 S  L
448.005  DISP         Use the Horizontal POSITION control to
448.005  DISP         align the 2nd time marker with the 2nd vertical
448.005  DISP         graticule line (2nd from the left edge of the display).
448.006  RSLT         =10th graticule +/- 0.16 div?
448.007  MESS         Is the 10th time marker within +/- 0.16 div
448.008  EVAL   of the 10th verticle graticule?
449.001  MESS
449.002  HEAD         B TIMING ACCURACY:  {50 ms/div}
449.003  RNG          5mT
449.004  5520         5mT                                         M1 S6 S  L
449.005  DISP         Use the Horizontal POSITION control to
449.005  DISP         align the 2nd time marker with the 2nd vertical
449.005  DISP         graticule line (2nd from the left edge of the display).
449.006  RSLT         =10th graticule +/- 0.16 div?
449.007  MESS         Is the 10th time marker within +/- 0.16 div
449.008  EVAL   of the 10th verticle graticule?
450.001  MESS
450.002  HEAD         {DELTA TIME ACCURACY USING THE DELAYED SWEEP}
450.003  DISP         A SEC/DIV : 20 ns
450.003  DISP         B SEC/DIV : 10 ns (knob in)
450.003  DISP         X10 MAG   : On (button in)
450.003  DISP         DELTA T   : Off (DLY readout)
450.004  DISP         TRIGGER MODE     : AUTO LVL
450.004  DISP         TRIGGER SOURCE   : VERT
450.004  DISP         TRIGGER COUPLING : DC
450.004  DISP         TRIGGER SLOPE    : + (plus)
450.004  DISP         TRIGGER LEVEL    : As required for a stable display
450.004  DISP         B TRIG MODE      : RUNS AFT DLY
450.005  5520         20nT                                        M1 S6 S  L
450.006  DISP         Adjust the DELTA REF OR DLY POS control for a
450.006  DISP         readout display of DLY 21.25 ns.
450.006  DISP
450.006  DISP         Adjust the Horizontal POSITION control CW until the
450.006  DISP         cursor stops moving, then CCW to display the leading
450.006  DISP         edge of the 2nd time marker near the graticule center.
450.006  DISP         This becomes the reference point for the following
450.006  DISP         procedure.
450.007  DISP         Press and release the DELTA T button to obtain
450.007  DISP         the DELTA T display and rotate the DELTA control for a
450.007  DISP         readout display of DELTA T -21.25 ns.  If the time
450.007  DISP         marks are not superimposed, adjust the DELTA contol
450.007  DISP         control to do so.
450.008  DISP         Throughout the following tests...
450.008  DISP         First, check DELTA T readout for the 1st 20 ns marker,
450.008  DISP         then you will check the 2nd through 10th time
450.008  DISP         markers as the DELTA control is rotated CW to
450.008  DISP         superimpose each successive time marker on the
450.008  DISP         reference time marker.
450.009  HEAD         DELTA TIME ACCURACY USING THE DELAYED SWEEP:  {@ 20 ns}
450.010  EVAL   Is {delta time -19.25 to -20.25 ns @ 1st time marker}?
451.001  5520         20nT                                        M1 S6 S  L
451.002  EVAL   Is {delta time -0.20 to 0.20 ns @ 2nd time marker}?
452.001  5520         20nT                                        M1 S6 S  L
452.002  EVAL   Is {delta time 19.25 to 20.25 ns @ 3rd time marker}?
453.001  5520         20nT                                        M1 S6 S  L
453.002  EVAL   Is {delta time 39.70 to 40.30 ns @ 4th time marker}?
454.001  5520         20nT                                        M1 S6 S  L
454.002  EVAL   Is {delta time 59.60 to 60.40 ns @ 5th time marker}?
455.001  5520         20nT                                        M1 S6 S  L
455.002  EVAL   Is {delta time 79.55 to 80.45 ns @ 6th time marker}?
456.001  5520         20nT                                        M1 S6 S  L
456.002  EVAL   Is {delta time 99.50 to 100.50 ns @ 7th time marker}?
457.001  5520         20nT                                        M1 S6 S  L
457.002  EVAL   Is {delta time 119.45 to 120.55 ns @ 8th time marker}?
458.001  5520         20nT                                        M1 S6 S  L
458.002  EVAL   Is {delta time 139.40 to 140.60 ns @ 9th time marker}?
459.001  5520         20nT                                        M1 S6 S  L
459.002  EVAL   Is {delta time 159.30 to 160.70 ns @ 10th time marker}?
460.001  HEAD         DELTA TIME ACCURACY USING THE DELAYED SWEEP:  {@ 50 ns}
460.002  DISP         A SEC/DIV : 5 ns
460.003  DISP         DELTA T   : Off (DLY readout)
460.004  5520         50nT                                        M1 S6 S  L
460.005  DISP         Adjust the DELTA REF OR DLY POS control
460.005  DISP         for a readout display of 53.2 ns.
460.005  DISP
460.005  DISP         Position the leading edge of the 1st time marker near
460.005  DISP         graticule center using the Horizontal POSITION control.
460.006  DISP         Press and release the DELTA T button to obtain a DELTA T
460.006  DISP         display and adjust the DELTA control for a readout
460.006  DISP         display of DELTA T -53.2 ns. If the time markers are
460.006  DISP         not superimposed, adjust the DELTA control to do so.
460.007  EVAL   Is {delta time -49.3 to -50.7 ns @ 1st time marker}?
461.001  5520         50nT                                        M1 S6 S  L
461.002  EVAL   Is {delta time 49.3 to 50.7 ns @ 3rd time marker}?
462.001  5520         50nT                                        M1 S6 S  L
462.002  EVAL   Is {delta time 398.3 to 401.70 ns @ 10th time marker}?
463.001  ASK-   R     N                J                          F        W
463.002  ASK+     D
463.003  HEAD         {DELAYED SWEEP DELTA TIME ACCURACY}
463.004  DISP         TRACKING/INDEP : TRACKING (button in)
463.004  DISP         A SEC/DIV      : 0.1 us
463.004  DISP         X10 MAG        : ON (button in)
463.004  DISP         B SEC/DIV      : 10 ns (knob out) on readout
463.005  5520         0.1uT                                       M1 S6 S  L
463.006  DISP         Adjust the DELTA and DELTA REF OR DLY POS controls
463.006  DISP         for a DELTA TIME readout display of 800.0 ns.
463.006  DISP
463.006  DISP         Adjust the HORIZONTAL POSITION control to align the
463.006  DISP         leading edge of the 2nd time marker on the A Sweep
463.006  DISP         with the 2nd vertical graticule line.
463.006  DISP
463.006  DISP         Rotate TRACE SEP control CCW to separate the traces.
463.007  DISP         Adjust the DELTA REF OR DLY POS control to intensify
463.007  DISP         the 2nd and 10th time markers (of A Sweep) and display
463.007  DISP         the leading edges of the displayed B Sweep time markers
463.007  DISP         in the center area of the graticule.
463.008  DISP         In the following tests, check the horizontal distance
463.008  DISP         between the leading edges of the B Sweep time markers.
463.008  DISP
463.008  DISP         Note:  At the slowest sweep speeds, the B SEC/DIV knob
463.008  DISP         will need to be pushed in (B Sweep only) to increase
463.008  DISP         the display repetition rate..
463.009  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 0.1 us/1 ns})
463.010  MESS         Check the displayed separation of the
463.010  MESS         Delayed Time Markers (2nd & 10th markers).
463.010  MESS
463.011  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
464.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 0.2 us/2 ns})
464.002  5520         0.2uT                                       M1 S6 S  L
464.003  MESS         A SEC/DIV       : 0.2 us
464.003  MESS         B SEC/DIV       : 2 ns (knob out) on readout
464.003  MESS         DELTA T READOUT : 1.6 us
464.003  MESS
464.003  MESS         Check the displayed separation of the
464.003  MESS         Delayed Time Markers (2nd & 10th markers).
464.003  MESS
464.003  MESS
464.004  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
465.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 0.5 us/5 ns})
465.002  5520         0.5uT                                       M1 S6 S  L
465.003  MESS         X10 MAG         : OFF (button out)
465.004  MESS         A SEC/DIV       : 0.5 us
465.004  MESS         B SEC/DIV       : 5 ns (knob out)
465.004  MESS         DELTA T READOUT : 4 us
465.004  MESS
465.004  MESS         Check the displayed separation of the
465.004  MESS         Delayed Time Markers (2nd & 10th markers).
465.004  MESS
465.004  MESS
465.005  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
466.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 1 us/10 ns})
466.002  5520         0.1uT                                       M1 S6 S  L
466.003  MESS         A SEC/DIV       : 1 us
466.003  MESS         B SEC/DIV       : 10 ns (knob out)
466.003  MESS         DELTA T READOUT : 8 us
466.003  MESS
466.003  MESS         Check the displayed separation of the
466.003  MESS         Delayed Time Markers (2nd & 10th markers).
466.003  MESS
466.003  MESS
466.004  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
467.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 2 us/20 ns})
467.002  5520         2uT                                         M1 S6 S  L
467.003  MESS         A SEC/DIV       : 2 us
467.003  MESS         B SEC/DIV       : 20 ns (knob out)
467.003  MESS         DELTA T READOUT : 16 us
467.003  MESS
467.003  MESS         Check the displayed separation of the
467.003  MESS         Delayed Time Markers (2nd & 10th markers).
467.003  MESS
467.003  MESS
467.004  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
468.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 5 us/50 ns})
468.002  5520         5uT                                         M1 S6 S  L
468.003  MESS         A SEC/DIV       : 5 us
468.003  MESS         B SEC/DIV       : 50 ns (knob out)
468.003  MESS         DELTA T READOUT : 40 us
468.003  MESS
468.003  MESS         Check the displayed separation of the
468.003  MESS         Delayed Time Markers (2nd & 10th markers).
468.003  MESS
468.003  MESS
468.004  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
469.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 10 us/100 ns})
469.002  5520         10uT                                        M1 S6 S  L
469.003  MESS         A SEC/DIV       : 10 us
469.003  MESS         B SEC/DIV       : 100 ns (knob out)
469.003  MESS         DELTA T READOUT : 80 us
469.003  MESS
469.003  MESS         Check the displayed separation of the
469.003  MESS         Delayed Time Markers (2nd & 10th markers).
469.003  MESS
469.003  MESS
469.004  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
470.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 20 us/200 ns})
470.002  5520         20uT                                        M1 S6 S  L
470.003  MESS         A SEC/DIV       : 20 us
470.003  MESS         B SEC/DIV       : 200 ns (knob out)
470.003  MESS         DELTA T READOUT : 160 us
470.003  MESS
470.003  MESS         Check the displayed separation of the
470.003  MESS         Delayed Time Markers (2nd & 10th markers).
470.003  MESS
470.003  MESS
470.004  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
471.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 50 us/500 ns})
471.002  5520         50uT                                        M1 S6 S  L
471.003  MESS         A SEC/DIV       : 50 us
471.003  MESS         B SEC/DIV       : 500 ns (knob out)
471.003  MESS         DELTA T READOUT : 400 us
471.003  MESS
471.003  MESS         Check the displayed separation of the
471.003  MESS         Delayed Time Markers (2nd & 10th markers).
471.003  MESS
471.003  MESS
471.004  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
472.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 0.1 ms/1 us})
472.002  5520         0.1mT                                       M1 S6 S  L
472.003  MESS         A SEC/DIV       : 0.1 ms
472.003  MESS         B SEC/DIV       : 1 us (knob out) on readout
472.003  MESS         DELTA T READOUT : .8 ms
472.003  MESS
472.003  MESS         Check the displayed separation of the
472.003  MESS         Delayed Time Markers (2nd & 10th markers).
472.003  MESS
472.003  MESS
472.004  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
473.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 0.2 ms/2 us})
473.002  5520         0.2mT                                       M1 S6 S  L
473.003  MESS         A SEC/DIV       : 0.2 ms
473.003  MESS         B SEC/DIV       : 2 us (knob out) on readout
473.003  MESS         DELTA T READOUT : 1.6 ms
473.003  MESS
473.003  MESS         Check the displayed separation of the
473.003  MESS         Delayed Time Markers (2nd & 10th markers).
473.003  MESS
473.003  MESS
473.004  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
474.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 0.5 ms/5 us})
474.002  5520         0.5mT                                       M1 S6 S  L
474.003  MESS         A SEC/DIV       : 0.5 ms
474.003  MESS         B SEC/DIV       : 5 us (knob out) on readout
474.003  MESS         DELTA T READOUT : 4 ms
474.003  MESS
474.003  MESS         Check the displayed separation of the
474.003  MESS         Delayed Time Markers (2nd & 10th markers).
474.003  MESS
474.003  MESS
474.004  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
475.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 1 ms/10 us})
475.002  5520         1mT                                         M1 S6 S  L
475.003  MESS         A SEC/DIV       : 1 ms
475.003  MESS         B SEC/DIV       : 10 us (knob out) on readout
475.003  MESS         DELTA T READOUT : 8 ms
475.003  MESS
475.003  MESS         Check the displayed separation of the
475.003  MESS         Delayed Time Markers (2nd & 10th markers).
475.003  MESS
475.003  MESS
475.004  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
476.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 2 ms/20 us})
476.002  5520         2mT                                         M1 S6 S  L
476.003  MESS         A SEC/DIV       : 2 ms
476.003  MESS         B SEC/DIV       : 20 us (knob out) on readout
476.003  MESS         DELTA T READOUT : 16 ms
476.003  MESS
476.003  MESS         Check the displayed separation of the
476.003  MESS         Delayed Time Markers (2nd & 10th markers).
476.003  MESS
476.003  MESS
476.004  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
477.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 5 ms/50 us})
477.002  5520         5mT                                         M1 S6 S  L
477.003  MESS         A SEC/DIV       : 5 ms
477.003  MESS         B SEC/DIV       : 50 us (knob out) on readout
477.003  MESS         DELTA T READOUT : 40 ms
477.003  MESS
477.003  MESS         Check the displayed separation of the
477.003  MESS         Delayed Time Markers (2nd & 10th markers).
477.003  MESS
477.003  MESS
477.004  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
478.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 10 ms/100 us})
478.002  5520         10mT                                        M1 S6 S  L
478.003  MESS         A SEC/DIV       : 10 ms
478.003  MESS         B SEC/DIV       : 100 us (knob out) on readout
478.003  MESS         DELTA T READOUT : 80 ms
478.003  MESS
478.003  MESS         Check the displayed separation of the
478.003  MESS         Delayed Time Markers (2nd & 10th markers).
478.003  MESS
478.003  MESS
478.004  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
479.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 20 ms/200 us})
479.002  5520         20mT                                        M1 S6 S  L
479.003  MESS         A SEC/DIV       : 20 ms
479.003  MESS         B SEC/DIV       : 200 us (knob out) on readout
479.003  MESS         DELTA T READOUT : 160 ms
479.003  MESS
479.003  MESS         Check the displayed separation of the
479.003  MESS         Delayed Time Markers (2nd & 10th markers).
479.003  MESS
479.003  MESS
479.004  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
480.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 50 ms/500 us})
480.002  5520         50mT                                        M1 S6 S  L
480.003  MESS         A SEC/DIV       : 50 ms
480.003  MESS         B SEC/DIV       : 500 us (knob out) on readout
480.003  MESS         DELTA T READOUT : 400 ms
480.003  MESS
480.003  MESS         Check the displayed separation of the
480.003  MESS         Delayed Time Markers (2nd & 10th markers).
480.003  MESS
480.003  MESS
480.004  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
481.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 0.1 s/1 ms})
481.002  5520         0.1T                                        M1 S6 S  L
481.003  MESS         A SEC/DIV       : 0.1 s
481.003  MESS         B SEC/DIV       : 1 ms (knob out) on readout
481.003  MESS         DELTA T READOUT : .8 s
481.003  MESS
481.003  MESS         Check the displayed separation of the
481.003  MESS         Delayed Time Markers (2nd & 10th markers).
481.003  MESS
481.003  MESS
481.004  EVAL   Is the {distance between leading edges </= 2.4 divisions}?
482.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 0.2 s/2 ms})
482.002  5520         0.2T                                        M1 S6 S  L
482.003  MESS         A SEC/DIV       : 0.2 s
482.003  MESS         B SEC/DIV       : 2 ms (knob out) on readout
482.003  MESS         DELTA T READOUT : 1.6 s
482.003  MESS
482.003  MESS         Check the displayed separation of the
482.003  MESS         Delayed Time Markers (2nd & 10th markers).
482.003  MESS
482.003  MESS
482.004  EVAL   Is the {distance between leading edges </= 6.4 divisions}?
483.001  HEAD         DELAYED SWEEP DELTA TIME ACCURACY ({@ 0.5 s/5 ms})
483.002  5520         0.5T                                        M1 S6 S  L
483.003  MESS         A SEC/DIV       : 0.5 s
483.003  MESS         B SEC/DIV       : 5 ms (knob out) on readout
483.003  MESS         DELTA T READOUT : 4 s
483.003  MESS
483.003  MESS         Check the displayed separation of the
483.003  MESS         Delayed Time Markers (2nd & 10th markers).
483.003  MESS
483.003  MESS
483.004  EVAL   Is the {distance between leading edges </= 6.4 divisions}?
484.001  HEAD         {DELAY JITTER}
484.002  DISP         A SEC/DIV : 1 ms
484.002  DISP         B SEC/DIV : 0.5 us (knob out)
484.003  5520         1mT                                         M1 S6 S  L
484.004  DISP         Align the intensified zones with the 10th
484.004  DISP         time marker using the DELTA REF OR DLY POS and
484.004  DISP         DELTA controls.  Superimpose the zones to obtain a
484.004  DISP         DELTA T readout display of 0.000 ms.
484.005  DISP         Push in the B SEC/DIV knob and adjust
484.005  DISP         TRACE SEP to separate the traces.
484.006  MESS         Check for 0.8 division or less of horizontal
484.006  MESS         jitter on the rising edge of both time markers.
484.006  MESS
484.007  EVAL   Is {horizontal jitter < 0.8 div on both time markers}?
485.001  ASK-   R     N                J                          F        W
485.002  ASK+     D
485.003  HEAD         {A SEC/DIV VAR RANGE AND ACCURACY}
485.004  DISP         A AND B SEC/DIV     : 10 us (knobs locked)
485.004  DISP         A and B SEC/DIV VAR : In detent
485.004  DISP         X10 MAG   : OFF (button out)
485.004  DISP         DELTA T             : Off
485.005  HEAD         A SEC/DIV VAR RANGE AND ACCURACY:  {2 markers}
485.006  MESS         Slew markers for 1 time marker per division.
485.007  5520         10uT                                        M1 S6 N  L
485.008  MATH         M[2] = MEM / 10E-6
485.009  DISP         Adjust the SEC/DIV VAR control for a
485.009  DISP         sweep-speed readout (on bottom line) of 20 us
485.010  MESS         Slew markers for 2 time markers per division.
485.011  5520         10uT                                        M1 S6 N  L
485.012  MESS
485.013  MATH         M[1] = MEM / 10E-6
485.014  MATH         MEM = (M[2] - M[1])/M[2]*100
485.015  ACC          0percent       0.2U
485.016  MEME
485.017  MEMC         [32]percent    2U
486.001  DISP         Adjust the SEC/DIV VAR control fully CCW.
486.002  EVAL   Does {sweep speed readout display 30.0 us}?
487.001  HEAD         A SEC/DIV VAR RANGE AND ACCURACY:  {3 markers}
487.002  MESS         Slew markers for 3 time markers per division.
487.003  5520         10uT                                        M1 S6 N  L
487.004  MATH         M[1] = MEM / 10E-6
487.005  MATH         MEM = (M[2] - M[1])/M[2]*100
487.006  ACC          0percent       0.2U
487.007  MEME
487.008  MEMC         [32]percent    2U
488.001  DISP         A SEC/DIV            : 50 us
488.001  DISP         B SEC/DIV            : 10 us (knob in)
488.001  DISP         SEC/DIV VAR          : CW (in detent)
488.001  DISP         DELTA T              : Off (DLY readout)
488.001  DISP         DELTA REF OR DLY POS : Zero delay
488.001  DISP         B TRIGGER MODE       : RUN AFT DLY
488.002  RSLT         = B SEC/DIV VAR RANGE AND ACCURACY
488.003  HEAD         B SEC/DIV VAR RANGE AND ACCURACY:  {2 markers}
488.004  MESS         Slew markers for 1 time marker per division.
488.005  5520         10uT                                        M1 S6 N  L
488.006  MATH         M[2] = MEM / 10E-6
488.007  DISP         Adjust the SEC/DIV VAR control for a
488.007  DISP         sweep-speed readout (on bottom line) of 20 us
488.008  MESS         Slew markers for 2 time markers per division.
488.009  5520         10uT                                        M1 S6 N  L
488.010  MESS
488.011  MATH         M[1] = MEM / 10E-6
488.012  MATH         MEM = (M[2] - M[1])/M[2]*100
488.013  ACC          0percent       0.2U
488.014  MEME
488.015  MEMC         [32]percent    2U
489.001  DISP         Adjust the SEC/DIV VAR control fully CCW.
489.002  EVAL   Does {sweep speed readout display 30.0 us}?
490.001  HEAD         B SEC/DIV VAR RANGE AND ACCURACY:  {3 markers}
490.002  MESS         Slew markers for 3 time markers per division.
490.003  5520         10uT                                        M1 S6 N  L
490.004  MATH         M[1] = MEM / 10E-6
490.005  MATH         MEM = (M[2] - M[1])/M[2]*100
490.006  ACC          0percent       0.2U
490.007  MEME
490.008  MEMC         [32]percent    2U
491.001  DISP         Rotate the SEC/DIV VAR control CW to the
491.001  DISP         detent position.
491.002  MESS
491.003  HEAD         {X-AXIS GAIN}
491.004  DISP         VERTICAL MODE         : CH 2 ON
491.004  DISP         A and B SEC/DIV       : X-Y (knobs locked)
491.004  DISP         CH 1 & CH 2 VOLTS/DIV : 10 mV
491.004  DISP         CH 1 COUPLING         : 1 MOhm DC
491.004  DISP         CH 2 COUPLING         : 1 MOhm GND
491.005  5520         50mVpp                       1kH            ZQ S6 S  L
491.006  EVAL   Is {display amplitude 4.9 to 5.1 divisions}?
492.001  HEAD         {X-AXIS BANDWIDTH}
492.002  DISP         CH 1 COUPLING : 50 Ohm DC
492.003  MESS         Slew amplitude for a 6 division Horizontal display.
492.004  5520         60mVpp                       50kH           LS S6 N  L
492.005  MESS         Slew frequency for a 4.2 division Horizontal display.
492.006  5520         3MH                          mVpp           LS S6 N  L
492.007  HEAD         {X-Y PHASE DIFFERENTIAL}
492.008  MESS         Slew amplitude for a 6 division Horizontal display.
492.009  5520         60mVpp                       1MH            LS S6 N  L
492.010  MESS
492.011  HEAD         X-Y PHASE DIFFERENTIAL:  {@ 1 MHz}
492.012  DISP         Press and release the CH 2 VERTICAL MODE switch
492.012  DISP         (CH 2 off).  CH 1 displays automatically.
492.012  DISP
492.012  DISP         Use the CH 1 VERTICAL POSITION control
492.012  DISP         to vertically center the display on the graticule.
492.013  EVAL   Is {ellipse opening </= 0.1 division (measured horizontally)}?
493.001  HEAD         X-Y PHASE DIFFERENTIAL:  {@ 2 MHz}
493.002  DISP         Press in the CH 2 VERTICAL MODE switch (CH 2 on).
493.003  MESS         Slew amplitude for a 6 division Horizontal display.
493.004  5520         60mVpp                       2MH            LS S6 N  L
493.005  MESS
493.006  DISP         Press and release the CH 2 VERTICAL MODE switch
493.006  DISP         (CH 2 off).  CH 1 displays automatically.
493.006  DISP
493.006  DISP         Use the CH 1 VERTICAL POSITION control
493.006  DISP         to vertically center the display on the graticule.
493.007  EVAL   Is {ellipse opening </= 0.3 division (measured horizontally)}?
494.001  DISP         Press in the CH 2 VERTICAL MODE switch (CH 2 on).
494.002  HEAD         {X-AXIS LOW-FREQUENCY LINEARITY}
494.003  MESS         Slew amplitude for a 2 division Horizontal display while
494.003  MESS         using CH 1 POSITION control to keep display centered.
494.004  5520         20mVpp                       50kH           LS S6 N  L
494.005  MESS
494.006  HEAD         X-AXIS LOW-FREQUENCY LINEARITY:  {@ left edge}
494.007  DISP         Use the CH 1 POSITION control to align the
494.007  DISP         left edge of the signal with the left side vertical
494.007  DISP         graticule line.
494.008  EVAL   Is {display 1.8 to 2.2 division (measured horizontally)}?
495.001  HEAD         X-AXIS LOW-FREQUENCY LINEARITY:  {@ right edge}
495.002  5520         50kH                         mVpp           LS S6 S  L
495.003  DISP         Use the CH 1 POSITION control to align the
495.003  DISP         rights edge of the signal with the right side vertical
495.003  DISP         graticule line.
495.004  EVAL   Is {display 1.8 to 2.2 division (measured horizontally)}?
496.001  HEAD         {CALIBRATOR REPETITION RATE}
496.002  DISP         VERTICAL MODE             : CH 1, 2, 3, 4, and ADD ON
496.002  DISP         CHOP/ALT                  : CHOP (button in)
496.002  DISP         20 MHz BW LIMIT           : Off (button out)
496.002  DISP         CH 1 & CH 2 VOLTS/DIV     : 0.1 V
496.002  DISP         CH 1 & CH 2 VAR VOLTS/DIV : CAL (In detent)
496.002  DISP         CH 1 COUPLING             : 1 MOhm DC
496.002  DISP         CH 2 COUPLING             : 50 Ohm DC
496.003  DISP         A & B SEC/DIV       : 1 ms (knobs locked)
496.003  DISP         A & B SEC/DIV VAR   : CAL (In detent)
496.003  DISP         X10 MAG             : Off (button out)
496.003  DISP         DELTA V and DELTA T : Off
496.003  DISP         TRIGGER HOLDOFF     : B ENDS A (fully CW)
496.003  DISP         TRIGGER LEVEL       : Midrange
496.004  DISP         TRIGGER SLOPE    : + (plus)
496.004  DISP         TRIGGER MODE     : AUTO LVL
496.004  DISP         TRIGGER SOURCE   : CH 1
496.004  DISP         TRIGGER COUPLING : DC
496.005  DISP         MAKE THE FOLLOWING CONNECTION...
496.005  DISP
496.005  DISP         5520 SCOPE OUTPUT --------- CH 2 INPUT
496.005  DISP
496.005  DISP
496.005  DISP         Connect a 10X probe from the CALIBRATOR terminal
496.005  DISP         to the CH 1 OR X input connector.
496.006  5520         1mT                                         M1 S6 S  L
496.007  DISP         Adjust the CH 2 VOLTS/DIV switch for
496.007  DISP         several divisions of marker display.
496.008  MESS         Check horizontal drift for any time
496.008  MESS         marker is 1 division or less per second (10 seconds
496.008  MESS         or more for 1 marker to drift 10 horizontal divisions).
496.008  MESS
496.009  EVAL   Is {horizontal drift 1 division or less per second}?
497.001  5520         1mT                                         M1 S6 S  L
497.002  DISP         Set CH 2 VERTICAL MODE switch to OFF (button out).
497.003  MESS         Check that 1 cycle is displayed per 2 horizontal
497.003  MESS         divisions for each position of the A SEC/DIV
497.003  MESS         switch from 0.1 S to 0.1 us.
497.003  MESS
497.004  EVAL   Is {1 cycle displayed per 2 horiz. div from 0.1 S to 0.1 us}?
498.001  MESS
498.002  DISP         Disconnect the test setup.
498.003  HEAD         {EXTERNAL Z-AXIS OPERATION}
498.004  DISP         VERTICAL MODE             : CH 1, all others OFF
498.004  DISP         CHOP/ALT                  : ALT (button out)
498.004  DISP         INTENSITY                 : Fully clockwise
498.004  DISP         A and B SEC/DIV           : 1 ms
498.004  DISP         CH 1 VOLTS/DIV            : 0.5 V
498.005  5520         2Vpp                         1kH            ZQ S6 S  L
498.006  DISP         Connect the 5520 SCOPE OUTPUT to the CH 1 input
498.006  DISP         connector and the rear-panel EXT Z-AXIS input connector.
498.007  EVAL   Is {positive portion of the 4 division signal blanked out}?
499.001  DISP         Disconnect the test setup and adjust the CRT INTENSITY
499.001  DISP         as desired.
499.002  HEAD         {A GATE OUTPUT}
499.003  DISP         A SEC/DIV            : 100 us
499.003  DISP         B SEC/DIV            : 50 us (knob in)
499.003  DISP         DELTA T              : Off (DLY readout)
499.003  DISP         DELTA REF OR DLY POS : Zero DLY readout
499.003  DISP         TRIGGER MODE         : AUTO
499.003  DISP         TRIGGER SOURCE       : CH 1
499.003  DISP         TRIGGER HOLDOFF      : Minimum (CCW)
499.004  DISP         Connect a test oscilloscope to the A GATE OUT
499.004  DISP         connector (located on the 2445 rear
499.004  DISP         panel) via a 50 Ohm BNC cable.
499.005  MESS         Check that the test oscilloscope displays a
499.005  MESS         signal with a high level between 2.4 V and 5 V
499.005  MESS         and a low level between 0 V and 0.4 V.
499.005  MESS
499.006  EVAL   Is {high level 2.4 to 5 V, low level 0 to 0.4 V}?
500.001  MESS
500.002  EVAL   Is {duration of high level 1 ms to 1.2 ms}?
501.001  MEMI         Enter the duration of the low level (in us).
501.002  MATH         M[1] = MEM
501.003  ACC          115us          3.5U
501.004  MEME
501.005  MEMC         us             35U           lowlvl
502.001  HEAD         {TRIGGER HOLDOFF}
502.002  DISP         TRIGGER HOLDOFF : MAXIMUM CW (not in detent)
502.003  MEMI         Enter the duration of the low level (in us).
502.004  MATH         MEM1 = (M[1] * 10)
502.005  MEME
502.006  MEMC         us             +1000%        lowlvl
503.001  HEAD         {B GATE OUTPUT}
503.002  DISP         Move the 50 Ohm BNC cable from the A GATE
503.002  DISP         OUT connector to the B GATE OUT connector.
503.003  EVAL   Is {high level 2.4 to 5 V, low level 0 to 0.4 V}?
504.001  EVAL   Is {duration of high level 500 to 600 us}?
505.001  HEAD         {ALT, CHOP, AND ADD MODES AND TRACE SEPARATION}
505.002  DISP         VERTICAL MODE             : CH 1,2,3,4, ADD & INVERT OFF
505.002  DISP         CHOP/ALT                  : ALT (button out)
505.002  DISP         20 MHz BW LIMIT           : Off (button out)
505.002  DISP         CH 1 & CH 2 VOLTS/DIV     : 0.1 V
505.002  DISP         CH 1 & CH 2 VAR VOLTS/DIV : CAL (In detent)
505.002  DISP         CH 1 & 2 COUPLING         : 1 MOhm DC
505.003  DISP         A & B SEC/DIV       : 1 ms (knobs locked)
505.003  DISP         A & B SEC/DIV VAR   : CAL (In detent)
505.003  DISP         X10 MAG             : Off (button out)
505.003  DISP         DELTA V and DELTA T : Off
505.003  DISP         TRACKING            : Off (button out)
505.003  DISP         TRACE SEP           : Fully CW
505.004  DISP         TRIGGER HOLDOFF  : B ENDS A (fully CW)
505.004  DISP         TRIGGER LEVEL    : Midrange
505.004  DISP         TRIGGER SLOPE    : + (plus)
505.004  DISP         TRIGGER MODE     : AUTO LVL
505.004  DISP         TRIGGER SOURCE   : VERT
505.004  DISP         TRIGGER COUPLING : DC
505.005  RSLT         =NO VERTICAL MODE
505.006  EVAL   Is {CH 1 trace visible with no Vertical Mode selected}?
506.001  RSLT         =CH 2 VERTICAL MODE
506.002  DISP         Press the CH 2 VERTICAL MODE button in.
506.003  EVAL   Is {CH 1 trace not displayed and CH 2 trace displayed}?
507.001  RSLT         =CH 1 & CH 2
507.002  DISP         Press the CH 1 VERTICAL MODE button in.
507.002  DISP
507.002  DISP         Note:  Separate the traces by approximately 1 division
507.002  DISP         using the VERTICAL POSITION controls.  Do not position
507.002  DISP         either trace precisely at graticule center.
507.003  EVAL   Are {both CH 1 & CH 2 traces displayed}?
508.001  RSLT         =ADD MODE
508.002  DISP         Press in the ADD button.
508.003  EVAL   Is a {third trace (ADD) displayed}?
509.001  DISP         Press the {CH 3} VERTICAL MODE button in.
509.002  EVAL   Is {CH 3 trace added to the display}?
510.001  DISP         Press the {CH 4} VERTICAL MODE button in.
510.002  EVAL   Is {CH 4 trace added to the display}?
511.001  RSLT         =ALT MODE
511.002  DISP         A & B SEC/DIV : 50 ms (knobs locked)
511.003  MESS         5 traces should be alternately displayed in the
511.003  MESS         following sequence:
511.003  MESS         CH 1, CH 2, ADD, CH 3, CH 4.
511.003  MESS
511.004  EVAL   Are {5 traces alternately displayed in the proper sequence}?
512.001  RSLT         =SGL SEQ MODE
512.002  MESS
512.003  DISP         TRIGGER MODE : SGL SEQ
512.004  EVAL   {After current sequence of traces, are no others displayed}?
513.001  DISP         TRIGGER SOURCE : LINE
513.001  DISP
513.001  DISP         Press down and release the TRIGGER MODE switch.
513.002  MESS         Verify that each time the TRIGGER MODE switch is pressed
513.002  MESS         down and released, the 5 signal traces appear once
513.002  MESS         (in sequence), the readout display flashes once and the
513.002  MESS         scale illumination flashes on and off.
513.002  MESS
513.003  EVAL   Is {SGL SEQ operating properly}?
514.001  MESS
514.002  RSLT         =CHOP MODE
514.003  DISP         TRIGGER MODE : AUTO LVL
514.003  DISP         CHOP/ALT     : CHOP (button in)
514.004  EVAL   Do {5 traces appear to be displayed simultaneously}?
515.001  RSLT         =ALTERNATE B SWEEP
515.002  DISP         TRIGGER SOURCE : CH 4
515.002  DISP         A SEC/DIV      : 20 us
515.002  DISP         B SEC/DIV      : 10 us (knob out and rotated)
515.002  DISP         CHOP/ALT       : ALT (button out)
515.002  DISP         TRACE SEP      : CCW until traces are separated
515.003  MESS         Verify an alternated B sweep trace appears
515.003  MESS         for each A sweep trace (10 traces total).
515.003  MESS
515.004  EVAL   Does {alternate B sweep appear for each A sweep}?
516.001  HEAD         {BEAM FINE OPERATION}
516.002  DISP         VERTICAL MODE       : CH 1 On
516.002  DISP         VERTICAL MODE       : CH 2,3,4, ADD Off
516.002  DISP         A & B SEC/DIV       : 1 ms (knobs locked)
516.002  DISP         X10 MAG             : On (button in)
516.002  DISP         HORIZONTAL POSITION : Midrange
516.002  DISP         VERTICAL  POSITION  : Midrange
516.003  MESS         Press and hold the BEAM FIND button in.
516.003  MESS
516.003  MESS         Verify that the trace is <10 divisions long and remains
516.003  MESS         in the graticule area as the CH 1 POSITION control and
516.003  MESS         the HORIZONTAL POSITION control are rotated through
516.003  MESS         their complete ranges.
516.003  MESS
516.003  MESS
516.004  EVAL   Is {trace <10 divisions long and remain in graticule area}?
517.001  MESS
517.002  DISP         Release the BEAM FIND button and set the
517.002  DISP         VERTICAL POSITION and the HORIZONTAL POSITION
517.002  DISP         controls to midrange.
517.003  HEAD         {PROBE ENCODING}
517.004  DISP         VOLTS/DIV (all channels) : 0.1 V
517.005  MESS         Connect the standard accessory 10X probe (encoded)
517.005  MESS         to the CH 1 input connector.
517.005  MESS
517.006  EVAL   Does {CH 1 readout change from 100 mV to 1 V}?
518.001  MESS         Move the 10X probe to CH 2 input.
518.001  MESS
518.002  EVAL   Does {CH 2 readout change from 100 mV to 1 V}?
519.001  MESS         Move the 10X probe to CH 3 input.
519.001  MESS
519.002  EVAL   Does {CH 3 readout change from .1 V to 1 V}?
520.001  MESS         Move the 10X probe to CH 4 input.
520.001  MESS
520.002  EVAL   Does {CH 4 readout change from .1 V to 1 V}?
521.001  END