NGT—Checks and adjustments
NGT Transceiver System Technical Service Manual 159
Testing the keypad and display
To enter the keypad and display test mode:
1 Hold down and press #.
The display prompts you to press a key. This message is displayed for approximately
one second, then the handset screen flashes at 2 Hz to ensure all pixels are
functional.
1 Press each key on the keypad one at a time, except .
As each key is pressed, it is displayed on the handset screen for one second.
To exit from the keypad and display test mode:
1 Press .
NOTE The transceiver does not have to be in Service mode to perform this test.
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