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This program allows you to check whether each key works properly.
PROCEDURE LCD DISPLAY
1. Press [TRANSFER] and dial 73
All LEDs light and station rings. Display sets show
the full matrix pattern for 16 characters.
All tri-color LEDs light amber
2. Press each function button and dial pad key to test its
operation. Display sets will show the corresponding
key name. Buttons with LEDs will turn OFF and stay
OFF when pressed
3. Lift the handset to end testing
DEFAULT DATA
NONE
RELATED MMC
NONE
NX-SERIES HYBRID KEY SYSTEM PROGRAMMING SECTION
MMC 73 KEY TEST