The COM COM-DB90, Руководство пользователя

Страница: 23 / 37

19
Troubleshooting TheCOM-DB90
If you experience difficulties using your COM we have many technical help references, videos,
blogs and self-help on our website
https://utvocm.com or the below chart can help t correct
common operation problems. If you have a problem which you believe requires service, please
call first and speak with a service technician at (208) 779-2891. Many problems can be remedied
over the phone without returning the unit for service.
Issue Check
Radio will not power
on Check the vehicles battery to ensure that it is properly working and is
charged
Check the inline fuses and replace if needed.
Check the input power connections, replace if needed.
Keypad is not
responding or radio is
not changing Make sure the keypad and radio is not locked (look for the lock icon
in the radio display). Refer to the function menu to unlock the
keypad/radio.
Power down the radio and power it back on
Make sure the hand mic is plugged in the RJ-45 all the way.
Cannot transmit Make sure you are on a transmittable frequency (see chart). All other
channels are to comply with FCC Part 90
If you have an intercom, check that your PTT is connected properly
into the intercom “PTT” port and that intercom is connected to the
radio via the proper TRRS (22 gauge wire shielded or larger) jumper
wire
Cannot Receive Verify both radios are on the same frequency / channel.
Make sure you are in range of the other radio, repeater or incoming
transmission.
Make sure your signal is not obstructed by mountains, buildings or
other obstructions.