Troubleshooting – GAI-Tronics XAAB002A Audio Accessory Box User Manual
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Troubleshooting
Troubleshooting the Model XAAB002A Audio Accessory Box
The following is a list of potential problems you may encounter and possible solutions.
Problem Possible
Solution
Microphone PTT switch will
not key up the transmitter.
Check the logic polarity required by the radio. This unit outputs a 5-volt
logic low.
No TX audio from headset.
Headset may be high impedance (electret or ceramic mic) and not able to
trip headset sense circuitry. Try SWB-3 switched to ON.
Headset inoperable
Headset may not conform to ‘carbon standard’ connector pin-out. Check
connector pin functions.
Headset may require an amplifier or adapter cable supplied by the headset
manufacturer.
Telephone interface option is
not working.
Telephone set must conform to carbon standard, sometimes referred to as
POTS.
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