11.5 VHF Radio troubleshooting
Problems with your VHF radio and their possible causes and solutions are described below:
DSC functions are not available / working
Possible Causes
Possible Solutions
MMSI number not programmed.
Programme your MMSI number.
Radio is set to ATIS or Marcom-C
mode.
Use of DSC is not permitted when in ATIS or Marcom-C
mode. You will be unable to make DSC distress and other
types of digital selective call.
If you are not in an ATIS region switch off ATIS mode:
Menu > Set-up > ATIS set-up > ATIS
.
Sensitivity set to Local.
With the sensitivity set to Local your reception will be
limited
Set Sensitivity to Distant:
Menu > Set-up > Sensitivity
.
Passive speaker no alarm audio
Possible Causes
Possible Solutions
Passive speaker connected to second
station connector.
Alarm audio is not available on passive speakers
connected to the second station connector. Alarm audio
should still be heard via the second station handset.
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