RCA MRM400 Instruction Manual page 39

4. Push [DSC] to transmit the All Ships Call.
- Low power is selected.
5. After the All Ships Call has been
transmitted, the display changes to Channel
16 automatically.
■ Receiving an All Ships Call
While monitoring Channel 70 and a All Ships
Call is received:
MRM400 VHF Marine Two-Way Radio Instruction Manual
TM
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1. The emergency alarm sounds when the
category is "Distress" or "Urgency". 2 beeps
sound for other categories.
2. "DSC" appears and "RCV ALL SHIPS" scrolls
at the channel comment indicator.
3. Push any key to stop beep.
4. Push [DSC] to monitor channel 16 for an
announcement from the calling vessel, push
any other key to ignore the call.
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