Vhf Radio Troubleshooting - Raymarine RAY53 Installation & Operation Instructions

10.3 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
MMSI number not programmed.
Radio is set to ATIS or Marcom-C mode.
Sensitivity set to Local.
Passive speaker no alarm audio
Possible Causes
Passive speaker connected to second station connector.
Troubleshooting
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Possible Solutions
Programme your MMSI number.
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.
With the sensitivity set to Local your reception will be limited
Set Sensitivity to Distant: Menu > Set-up > Sensitivity.
Possible Solutions
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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