Fluke MET/CAL Procedure ============================================================================= INSTRUMENT: Tek TDS 350: (1 year) CAL VER /5500+SC300 DATE: 02-Sep-98 AUTHOR: Fluke Corporation REVISION: $Revision: 1.7 $ ADJUSTMENT THRESHOLD: 70% NUMBER OF TESTS: 49 NUMBER OF LINES: 575 CONFIGURATION: Fluke 5500A (SC) ============================================================================= # # Source: Tektronix TDS 350-Instruction Manual, February 1994 # # Compatibility: 5500/CAL or MET/CAL 5.1 or later # # Subprocedures: None # # Required Files: None # # System Specifications: # TUR calculation is based on specification interval of the accuracy file. # The default 5500A 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 P 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 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 HEAD {SELF TEST} 1.008 DISP Press UTILITY -> System:Diag -> Execute -> 1.008 DISP OK Confirm Run Test. 1.009 DISP The internal diagnostics verify proper oscilloscope 1.009 DISP function. This verification takes about 30 seconds. 1.009 DISP While it progresses, a variety of test patterns 1.009 DISP flash on screen. When finished, status messages 1.009 DISP appear on the screen. 1.010 EVAL Did all {Self Test}s pass? 2.001 DISP Press CLEAR MENU. 2.001 DISP 2.001 DISP Press UTILITY -> System:Cal 2.002 MESS Check that the word Pass appears in the main menu under 2.002 MESS the Voltage Reference, Timing, and Ext Trig menu labels. 2.002 MESS 2.003 EVAL Did {Voltage Reference Self Cal} pass? 3.001 EVAL Did {Timing Self Cal} pass? 4.001 EVAL Did {Ext. Trig. Self Cal} pass? 5.001 MESS 5.002 DISP Press Signal Path -> OK Compensate Signal Path 5.002 DISP 5.002 DISP When compensation completes, the status message updates 5.002 DISP to Pass or Fail in the main menu. 5.003 EVAL Did {Signal Path Compensation} pass? 6.001 ASK+ P 6.002 HEAD {CH 1 FUNCTIONAL TEST} 6.003 DISP Install the probe to CH 1. Connect the probe tip to 6.003 DISP PROBE COMP on the front panel; leave the probe ground 6.003 DISP unconnected. 6.004 DISP Press SAVE/RECALL SETUP -> Recall Factory Setup -> 6.004 DISP OK Confirm Factory Init 6.004 DISP 6.004 DISP Press AUTOSET. 6.005 DISP Set the VOLTS/DIV to 1V. Use the vertical POSITION 6.005 DISP knob to center the waveform vertically on screen. 6.005 DISP 6.005 DISP Set the SEC/DIV to 250 us. 6.006 HEAD CH 1 FUNCTIONAL TEST: {PROBE COMPENSATION AMPLITUDE} 6.007 EVAL Is {probe-compensation signal ~5 div in amplitude}? 7.001 HEAD CH 1 FUNCTIONAL TEST: {PROBE COMPENSATION PERIOD} 7.002 EVAL Is {1 period of the signal ~4 divisions long}? 8.001 HEAD CH 1 FUNCTIONAL TEST 8.002 EVAL Does {horizontal position knob position signal left & right}? 9.001 MESS Press TRIGGER MENU -> Mode -> Normal. 9.001 MESS 9.002 EVAL Does {trigger level readout change with trigger LEVEL knob}? 10.001 MESS 10.002 EVAL Will {trigger LEVEL knob trigger and untrigger the signal}? 11.001 EVAL Will {SET LEVEL TO 50% trigger an untriggered signal}? 12.001 HEAD CH 1 FUNCTIONAL TEST: {SAMPLE MODE} 12.002 MESS Press ACQUIRE -> Mode -> Sample. 12.003 EVAL Is an {actively acquiring waveform on-screen}? 13.001 HEAD CH 1 FUNCTIONAL TEST: {PEAK DETECT MODE} 13.002 MESS Press the side menu button PEAK DETECT. 13.002 MESS 13.002 MESS Check for an actively acquiring waveform on screen 13.002 MESS with the noise "peak detected". 13.002 MESS 13.002 MESS 13.003 EVAL Is an {actively acquiring waveform on-screen "peak detected"}? 14.001 HEAD CH 1 FUNCTIONAL TEST: {ENVELOPE} 14.002 MESS Press the side menu button ENVELOPE. 14.002 MESS 14.002 MESS Check for an actively acquiring waveform on screen 14.002 MESS with the noise displayed. 14.002 MESS 14.002 MESS 14.003 EVAL Is {actively acquiring waveform on-screen with noise}? 15.001 HEAD CH 1 FUNCTIONAL TEST: {AVERAGE} 15.002 MESS Press the side menu button AVERAGE. 15.002 MESS 15.002 MESS Check for an actively acquiring waveform on screen 15.002 MESS with the noise reduced. 15.002 MESS 15.002 MESS 15.003 EVAL Is {actively acquiring waveform on-screen with noise reduced}? 16.001 MESS 16.002 DISP Press WAVEFORM OFF to remove CH 1 from the display. 16.002 DISP 16.002 DISP Press CH 2 and move the probe to the CH 2 input. 16.003 HEAD {CH 2 FUNCTIONAL TEST} 16.004 DISP Press AUTOSET. 16.005 DISP Set the VOLTS/DIV to 1V. Use the vertical POSITION 16.005 DISP knob to center the waveform vertically on screen. 16.005 DISP 16.005 DISP Set the SEC/DIV to 250 us. 16.006 HEAD CH 2 FUNCTIONAL TEST: {PROBE COMPENSATION AMPLITUDE} 16.007 EVAL Is {probe-compensation signal ~5 div in amplitude}? 17.001 HEAD CH 2 FUNCTIONAL TEST: {PROBE COMPENSATION PERIOD} 17.002 EVAL Is {1 period of the signal ~4 divisions long}? 18.001 HEAD CH 2 FUNCTIONAL TEST 18.002 EVAL Does {horizontal position knob position signal left & right}? 19.001 MESS Press TRIGGER MENU -> Mode -> Normal. 19.001 MESS 19.002 EVAL Does {trigger level readout change with trigger LEVEL knob}? 20.001 MESS 20.002 EVAL Will {trigger LEVEL knob trigger and untrigger the signal}? 21.001 EVAL Will {SET LEVEL TO 50% trigger an untriggered signal}? 22.001 HEAD CH 2 FUNCTIONAL TEST: {SAMPLE MODE} 22.002 MESS Press ACQUIRE -> Mode -> Sample. 22.003 EVAL Is an {actively acquiring waveform on-screen}? 23.001 HEAD CH 2 FUNCTIONAL TEST: {PEAK DETECT MODE} 23.002 MESS Press the side menu button PEAK DETECT. 23.002 MESS 23.002 MESS Check for an actively acquiring waveform on screen 23.002 MESS with the noise "peak detected". 23.002 MESS 23.002 MESS 23.003 EVAL Is an {actively acquiring waveform on-screen "peak detected"}? 24.001 HEAD CH 2 FUNCTIONAL TEST: {ENVELOPE} 24.002 MESS Press the side menu button ENVELOPE. 24.002 MESS 24.002 MESS Check for an actively acquiring waveform on screen 24.002 MESS with the noise displayed. 24.002 MESS 24.002 MESS 24.003 EVAL Is {actively acquiring waveform on-screen with noise}? 25.001 HEAD CH 2 FUNCTIONAL TEST: {AVERAGE} 25.002 MESS Press the side menu button AVERAGE. 25.002 MESS 25.002 MESS Check for an actively acquiring waveform on screen 25.002 MESS with the noise reduced. 25.002 MESS 25.002 MESS 25.003 EVAL Is {actively acquiring waveform on-screen with noise reduced}? 26.001 MESS 26.002 ASK- P 26.003 HEAD {DC VOLTAGE MEASUREMENT ACCURACY} 26.004 RSLT =CH 1 26.005 DISP MAKE THE FOLLOWING CONNECTION... 26.005 DISP 26.005 DISP 5500 NORMAL OUTPUT ----------- CH 1 INPUT 26.006 DISP Press SAVE/RECALL SETUP -> Recall Factory Setup -> 26.006 DISP OK Confirm Factory Init 26.006 DISP 26.006 DISP Press ACQUIRE -> Mode -> Average 16 26.006 DISP 26.006 DISP Press MEASURE -> Select Measurement 26.007 DISP Press the side menu button MORE until the menu label 26.007 DISP MEAN appears in the side menu. 26.007 DISP 26.007 DISP Press the side menu button MEAN. 26.008 HEAD DC VOLTAGE MEASUREMENT ACCURACY: {@ 1 V/div} 26.009 TARGET 26.010 DISP Set the VOLTS/DIV to 1 V. 26.010 DISP 26.010 DISP Press VERTICAL MENU -> Position 26.010 DISP 26.010 DISP Turn the General Purpose Knob to set the 26.010 DISP Vertical Position to +5 divisions 26.010 DISP (baseline level moves off screen). 26.011 DISP Press the main menu button OFFSET. 26.011 DISP 26.011 DISP Use the General Purpose Knob to set 26.011 DISP Vertical Offset to +100 V 26.011 DISP (baseline level remains off screen). 26.012 5500 98.00V S 2W 26.013 EVAL Does {MEAN measure between 97.1 and 98.9 V}? 27.001 HEAD DC VOLTAGE MEASUREMENT ACCURACY: {@ 200 mV/div} 27.002 TARGET 27.003 DISP Set the VOLTS/DIV to 200 mV. 27.003 DISP 27.003 DISP Set Vertical Position to +5 divisions. 27.003 DISP 27.003 DISP Set Vertical Offset to +10 V. 27.004 5500 8.400V S 2W 27.005 EVAL Does {MEAN measure between 8.28 and 8.52 V}? 28.001 HEAD DC VOLTAGE MEASUREMENT ACCURACY: {@ 50 mV/div} 28.002 TARGET 28.003 DISP Set the VOLTS/DIV to 50 mV. 28.003 DISP 28.003 DISP Set Vertical Position to -5 divisions. 28.003 DISP 28.003 DISP Set Vertical Offset to -1 V. 28.004 5500 -600.0mV S 2W 28.005 MEMI Enter the MEAN value (in mV). 28.006 MATH M[1] = MEM 28.007 ACC -600.0mV 1.9U 28.008 MEME 28.009 MEMC mV 19U 29.001 5500 -900.0mV S 2W 29.002 MEMI Enter the MEAN value (in mV). 29.003 MATH M[2] = MEM 29.004 ACC -900.0mV 1.9U 29.005 MEME 29.006 MEMC mV 19U 30.001 RSLT =DELT @ 50 mV 30.002 MATH MEM = M[1] - M[2] 30.003 ACC 300.0mV 1.4U 30.004 MEME 30.005 MEMC mV 14U 31.001 HEAD DC VOLTAGE MEASUREMENT ACCURACY: {@ 10 mV/div} 31.002 TARGET 31.003 DISP Set the VOLTS/DIV to 10 mV. 31.003 DISP 31.003 DISP Set Vertical Position to -5 divisions. 31.003 DISP 31.003 DISP Set Vertical Offset to 0 V. 31.004 5500 60.00mV S 2W 31.005 EVAL Does {MEAN measure between 54.6 mV and 65.4 mV}? 32.001 HEAD DC VOLTAGE MEASUREMENT ACCURACY: {@ 5 mV/div} 32.002 TARGET 32.003 DISP Set the VOLTS/DIV to 5 mV. 32.003 DISP 32.003 DISP Set Vertical Position to 0 divisions. 32.003 DISP 32.003 DISP Set Vertical Offset to -1 V. 32.004 5500 -990.0mV S 2W 32.005 EVAL Does {MEAN measure between -982 mV and -998 mV}? 33.001 RSLT =CH 2 33.002 DISP MAKE THE FOLLOWING CONNECTION... 33.002 DISP 33.002 DISP 5500 NORMAL OUTPUT ----------- CH 2 INPUT 33.003 DISP Press WAVEFORM OFF; then, press CH 2. 33.003 DISP 33.003 DISP Press MEASURE -> Select Measurement 33.003 DISP Press the side menu button MORE until the menu label 33.003 DISP MEAN appears in the side menu. 33.003 DISP 33.003 DISP Press the side menu button MEAN. 33.004 HEAD DC VOLTAGE MEASUREMENT ACCURACY: {@ 1 V/div} 33.005 TARGET 33.006 DISP Set the VOLTS/DIV to 1 V. 33.006 DISP 33.006 DISP Press VERTICAL MENU -> Position 33.006 DISP 33.006 DISP Turn the General Purpose Knob to set the 33.006 DISP Vertical Position to +5 divisions 33.006 DISP (baseline level moves off screen). 33.007 DISP Press the main menu button OFFSET. 33.007 DISP 33.007 DISP Use the General Purpose Knob to set 33.007 DISP Vertical Offset to +100 V 33.007 DISP (baseline level remains off screen). 33.008 5500 98.00V S 2W 33.009 EVAL Does {MEAN measure between 97.1 and 98.9 V}? 34.001 HEAD DC VOLTAGE MEASUREMENT ACCURACY: {@ 200 mV/div} 34.002 TARGET 34.003 DISP Set the VOLTS/DIV to 200 mV. 34.003 DISP 34.003 DISP Set Vertical Position to +5 divisions. 34.003 DISP 34.003 DISP Set Vertical Offset to +10 V. 34.004 5500 8.400V S 2W 34.005 EVAL Does {MEAN measure between 8.28 and 8.52 V}? 35.001 HEAD DC VOLTAGE MEASUREMENT ACCURACY: {@ 50 mV/div} 35.002 TARGET 35.003 DISP Set the VOLTS/DIV to 50 mV. 35.003 DISP 35.003 DISP Set Vertical Position to -5 divisions. 35.003 DISP 35.003 DISP Set Vertical Offset to -1 V. 35.004 5500 -600.0mV S 2W 35.005 MEMI Enter the MEAN value (in mV). 35.006 MATH M[1] = MEM 35.007 ACC -600.0mV 1.9U 35.008 MEME 35.009 MEMC mV 19U 36.001 5500 -900.0mV S 2W 36.002 MEMI Enter the MEAN value (in mV). 36.003 MATH M[2] = MEM 36.004 ACC -900.0mV 1.9U 36.005 MEME 36.006 MEMC mV 19U 37.001 RSLT =DELT @ 50 mV 37.002 MATH MEM = M[1] - M[2] 37.003 ACC 300.0mV 1.4U 37.004 MEME 37.005 MEMC mV 14U 38.001 HEAD DC VOLTAGE MEASUREMENT ACCURACY: {@ 10 mV/div} 38.002 TARGET 38.003 DISP Set the VOLTS/DIV to 10 mV. 38.003 DISP 38.003 DISP Set Vertical Position to -5 divisions. 38.003 DISP 38.003 DISP Set Vertical Offset to 0 V. 38.004 5500 60.00mV S 2W 38.005 EVAL Does {MEAN measure between 54.6 mV and 65.4 mV}? 39.001 HEAD DC VOLTAGE MEASUREMENT ACCURACY: {@ 5 mV/div} 39.002 TARGET 39.003 DISP Set the VOLTS/DIV to 5 mV. 39.003 DISP 39.003 DISP Set Vertical Position to 0 divisions. 39.003 DISP 39.003 DISP Set Vertical Offset to -1 V. 39.004 5500 -990.0mV S 2W 39.005 EVAL Does {MEAN measure between -982 mV and -998 mV}? 40.001 HEAD {DC GAIN ACCURACY} 40.002 RSLT =DC gain accuracy is verified by successful completion 40.003 RSLT =of the self tests and DC voltage measurement accuracy. 40.004 HEAD {OFFSET ACCURACY} 40.005 RSLT =Offset accuracy is verified by successful completion 40.006 RSLT =of the Self Tests and DC voltage measurement accuracy. 40.007 HEAD {ANALOG BANDWIDTH} 40.008 ASK- U 40.009 RSLT =CH 1 40.010 TARGET 40.011 DISP MAKE THE FOLLOWING CONNECTION... 40.011 DISP 40.011 DISP 5500 SCOPE OUTPUT ----------50 Ohm- CH 1 INPUT 40.012 DISP Press SAVE/RECALL SETUP -> Recall Factory Setup -> 40.012 DISP OK Confirm Factory Init. 40.012 DISP 40.012 DISP Set the SEC/DIV to 10 us. 40.013 DISP Press TRIGGER MENU -> Coupling -> Noise Rej. 40.013 DISP 40.013 DISP Press ACQUIRE -> Mode -> Average 16. 40.013 DISP 40.013 DISP Press MEASURE -> High-Low Setup -> Min-Max. 40.014 DISP Press the main menu button Select measurement. 40.014 DISP Now press the side menu button MORE until the menu label 40.014 DISP Pk-Pk appears in the side menu. 40.015 DISP Press the side menu button Pk-Pk. 40.015 DISP 40.015 DISP Set the VOLTS/DIV to 10 mV. 40.016 MESS Slew amplitude for a CH 1 Pk-Pk readout of 60 mV 40.016 MESS (press SET LEVEL TO 50% as necessary to trigger display) 40.017 5500 60mVpp 50kH LS SC N L 40.018 MESS Slew the frequency for 4.2 divisions 40.018 MESS (Pk-Pk readout of 42 mV). 40.019 5500 200MH -1000% mVpp LS SC L 41.001 RSLT =CH 2 41.002 TARGET 41.003 DISP MAKE THE FOLLOWING CONNECTION... 41.003 DISP 41.003 DISP 5500 SCOPE OUTPUT ----------50 Ohm- CH 2 INPUT 41.004 DISP Press WAVEFORM OFF to remove Channel 1 from the display. 41.004 DISP 41.004 DISP Press CH 2. 41.004 DISP 41.004 DISP Press TRIGGER MENU -> Source -> CH 2. 41.005 DISP Press the main menu button Select measurement. 41.005 DISP 41.005 DISP Now press the side menu button MORE until the menu label 41.005 DISP Pk-Pk appears in the side menu. 41.006 DISP Press the side menu button Pk-Pk. 41.006 DISP 41.006 DISP Set the VOLTS/DIV to 10 mV. 41.007 MESS Slew amplitude for a CH 2 Pk-Pk readout of 60 mV. 41.007 MESS (press SET LEVEL TO 50% as necessary to trigger display) 41.008 5500 60mVpp 50kH LS SC N L 41.009 MESS Slew the frequency for 4.2 divisions 41.009 MESS (Pk-Pk readout of 42 mV). 41.010 5500 200MH -1000% mVpp LS SC L 42.001 ASK+ U 42.002 HEAD {LONG-TERM SAMPLE RATE AND DELAY TIME ACCURACY} 42.003 TARGET 42.004 DISP MAKE THE FOLLOWING CONNECTION... 42.004 DISP 42.004 DISP 5500 SCOPE OUTPUT ----------50 Ohm- CH 1 INPUT 42.005 5500 10mT MK SC S L 42.006 DISP Press SAVE/RECALL SETUP -> Recall Factory Setup -> 42.006 DISP OK Confirm Factory Init. 42.006 DISP 42.006 DISP Set the VOLTS/DIV to 500 mV. 42.007 DISP Press SET LEVEL TO 50%; use the vertical POSITION 42.007 DISP knob to center the test signal on screen. 42.007 DISP 42.007 DISP Set the SEC/DIV to 1 ms. 42.007 DISP 42.007 DISP Press HORIZONTAL MENU -> Trigger Position -> Set to 10% 42.008 DISP Adjust the horizontal POSITION to move the trigger "T" 42.008 DISP to the right and on to the screen. 42.008 DISP 42.008 DISP Continue to position the trigger "T" to align it to the 42.008 DISP center vertical graticule line. 42.009 DISP Press the main menu button Time Base; 42.009 DISP then press the side menu button Delayed Only. 42.009 DISP 42.009 DISP Set the SEC/DIV of the D (delayed) time base to 1 ms. 42.009 DISP Then use the General Purpose knob to set delay time 42.009 DISP to 10 ms. 42.009 DISP 42.010 DISP Set the SEC/DIV of D (delayed) time base to 500 ns. 42.010 DISP 42.010 DISP NOTE: When you change the SEC/DIV, the 42.010 DISP delay time readout changes to 10.00001 or 9.99999. 42.010 DISP This is normal and has no effect on the verification. 42.011 MESS Check that the rising edge of the marker 42.011 MESS crosses the center horizontal graticule line at a 42.011 MESS point within +2.0 divisions of center graticule. 42.011 MESS 42.012 EVAL Does {rising edge cross center within +2.0 divisions}? 43.001 HEAD {DELTA TIME MEASUREMENT ACCURACY} 43.002 RSLT =Delta time measurement accuracy is verified by 43.003 RSLT =successful completion of the Long-Term Sample Rate and 43.004 RSLT =Delay Time Accuracy tests. 43.005 HEAD {EDGE TRIGGER SENSITIVITY, DC COUPLED} 43.006 ASK- U 43.007 RSLT =CH 1 43.008 TARGET 43.009 DISP Press SAVE/RECALL SETUP -> Recall Factory Setup -> 43.009 DISP OK Confirm Factory Init. 43.009 DISP 43.009 DISP Set the VOLTS/DIV to 500 mV. 43.009 DISP 43.009 DISP Set the SEC/DIV to 10 ns. 43.010 DISP Press TRIGGER MENU -> Mode -> Normal. 43.010 DISP 43.010 DISP Press ACQUIRE -> Mode -> Average 16. 43.011 DISP Connect the 5500 SCOPE output through a T connector 43.011 DISP to CH 1 input. Connect the the other end of the 43.011 DISP T connector through a 50 Ohm feed-thru to 43.011 DISP the EXT Trigger Input. 43.012 5500 500mVpp 200MH LS SC S L 43.013 DISP Press MEASURE -> High-Low Setup -> Min-Max. 43.013 DISP 43.013 DISP Press the main menu button Select measurement. 43.013 DISP 43.013 DISP Press the side menu button MORE until Amplitude 43.013 DISP appears in the side menu. Press the 43.013 DISP side menu button Amplitude. 43.014 MESS Press SET LEVEL TO 50%. 43.014 MESS 43.014 MESS Slew amplitude until the CH 1 Amplitude readout 43.014 MESS indicates an amplitude of 500 mV (may fluctuate). 43.015 5500 500mVpp 200MH LS SC N L 43.016 MATH M[1] = MEM 43.017 DISP Press TRIGGER MENU Slope and set to Positive Slope. 43.017 DISP 43.017 DISP Press SET LEVEL TO 50%. 43.018 MESS Adjust Trigger Level knob if required. 43.018 MESS 43.019 EVAL Is {signal triggered (Positive Slope)}? 44.001 MATH MEM = M[1] 44.002 5500 200MH mVpp LS SC S L 44.003 DISP Press TRIGGER MENU Slope and set to Negative Slope. 44.003 DISP 44.003 DISP Press SET LEVEL TO 50%. 44.004 MESS Adjust Trigger Level knob if required. 44.004 MESS 44.005 EVAL Is {signal triggered (Negative Slope)}? 45.001 RSLT =CH 2 45.002 TARGET 45.003 DISP Disconnect the hookup from CH 1 and connect it to CH 2. 45.004 DISP Press WAVEFORM OFF. 45.004 DISP 45.004 DISP Press CH 2. 45.004 DISP 45.004 DISP Press TRIGGER MENU -> Source -> CH 2. 45.005 DISP Set the VOLTS/DIV to 500 mV. 45.006 5500 500mVpp 200MH LS SC S L 45.007 DISP Press MEASURE. 45.007 DISP 45.007 DISP Press the Select measurement button. 45.007 DISP 45.007 DISP Press the side menu button MORE until Amplitude 45.007 DISP appears in the side menu. Press the 45.007 DISP side menu button Amplitude. 45.008 MESS Press SET LEVEL TO 50%. 45.008 MESS 45.008 MESS Slew amplitude until the CH 2 Amplitude readout 45.008 MESS indicates an amplitude of 500 mV (may fluctuate). 45.009 5500 500mVpp 200MH LS SC N L 45.010 MATH M[1] = MEM 45.011 DISP Press TRIGGER MENU Slope and set to Positive Slope. 45.011 DISP 45.011 DISP Press SET LEVEL TO 50%. 45.012 MESS Adjust Trigger Level knob if required. 45.012 MESS 45.013 EVAL Is {signal triggered (Positive Slope)}? 46.001 MATH MEM = M[1] 46.002 5500 200MH mVpp LS SC S L 46.003 DISP Press TRIGGER MENU Slope and set to Negative Slope. 46.003 DISP 46.003 DISP Press SET LEVEL TO 50%. 46.004 MESS Adjust Trigger Level knob if required. 46.004 MESS 46.005 EVAL Is {signal triggered (Negative Slope)}? 47.001 RSLT =EXT/10 TRIGGERING 47.002 TARGET 47.003 DISP Press TRIGGER MENU -> Source -> EXT/10. 47.003 DISP 47.004 MESS Press SET LEVEL TO 50%. 47.004 MESS Slew amplitude until the CH 2 Amplitude readout 47.004 MESS indicates an amplitude of 1.5 V (may fluctuate). 47.005 5500 1.5Vpp 200MH LS SC N L 47.006 MATH M[1] = MEM 47.007 DISP Press TRIGGER MENU Slope and set to Positive Slope. 47.007 DISP 47.007 DISP Press SET LEVEL TO 50%. 47.008 MESS Adjust Trigger Level knob if required. 47.008 MESS 47.009 EVAL Is {signal triggered (Positive Slope)}? 48.001 MATH MEM = M[1] 48.002 5500 200MH Vpp LS SC S L 48.003 DISP Press TRIGGER MENU Slope and set to Negative Slope. 48.003 DISP 48.003 DISP Press SET LEVEL TO 50%. 48.004 MESS Adjust Trigger Level knob if required. 48.004 MESS 48.005 EVAL Is {signal triggered (Negative Slope)}? 49.001 HEAD {TRIGGER LEVEL ACCURACY, DC COUPLED} 49.002 RSLT =Trigger Level Accuracy is verified by the successful 49.003 RSLT =completion of the Self Tests and the 49.004 RSLT =DC Voltage Measurement Accuracy tests. 49.005 END