Codan 2110 series, Repair Manual

Page: 94 / 164

Repair procedures, tests, and adjustments
62 Manpack Transceiver 2110 series Repair Guide
Performing the Front Panel test
To perform the Front Panel test:
1
Hold down and press # .
The display prompts you to press a key.
1
Press each key on the keypad one at a time, except .
1
Tap several times to check that the backlight operates correctly.
1
Check that mute is switched off ( S or V is not highlighted in the display).
1
Hold
MUTE
to switch on the internal speaker, then listen for noise.
1
Record your results and actions (see page 109, Test sheet for the 2110 series
Manpack Transceiver ).
1
Press to exit the Front Panel test.
1
Return to the Repair flowchart (see Figure 29 on page 95 ).
Checking basic operation
To check basic operation:
1
Press to see the home screen.
1
Press
SCAN
to toggle scan on and off.
1
Use or to change channels.
1
Press
CALL
to go to the first call screen.
1
Record your results and actions (see page 109, Test sheet for the 2110 series
Manpack Transceiver ).
1
Return to the Repair flowchart (see Figure 29 on page 95 ).
Pass The key name is displayed on the screen as each key is pressed.
Pass After one second, the front panel test screen flashes at 2 Hz to ensure
all pixels are functional.
NOTE Switch off the backlight when you have finished testing its operation.
NOTE
Switch off the internal speaker when you have finished testing its
operation.
NOTE
If the channels have not been added to a network, or no networks are
set to be scanned, an error message appears.