138 Servicing Procedures TP9100 Service Manual
© Tait Electronics Limited May 2005
Table 6.4 Final tests of general radio functions
Test Description
PTT switch Check that PTT switch functions
Microphone Check operation of microphone
Speaker Check operation of speaker
Function and keypad keys Check operation of all function and keypad keys
LCD display Check operation of LCD display (shows all pixels)
Backlighting Check operation of keypad and LCD backlighting
Volume control Check operation of volume control and
ON/OFF switch
16-way and 3-way selectors Check operation of 16-way selector, and 3-way selector (if used)
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