Turn off radio then turn on while pressing [NR] + [MIC] keys.
Sound like some switches then you will see main CPU C-SUM in main frequency area and DSP C-SUM in sub frequency area.Main CPU C-SUM is 4 digits (ie 2EA9). DSP C-SUM is 8 digits (ie 116543df).
Use MULTI CH to chenge display.
PANEL DISPLAY
AT
Diaplay C-SUM
MAKE
All LCD segments display
RELEASE
Turn off radio then turn on while pressing [F4] + [F5] keys.
Sound like some switches then you will see main CPU C-SUM in main frequency area and DSP C-SUM in sub frequency area.Main CPU C-SUM is 4 digits (ie 2EA9). DSP C-SUM is 8 digits (ie 116543df).
Use MULTI CH to chenge display.
PANEL DISPLAY
AT
Diaplay C-SUM
MAKE
All LCD segments display
RELEASE