Distress Call
Transmission of DSC distress alert on MF (2187.5 kHz)
1. If off: press ON/OFF.
2. Open DISTRESS lid.
3. Press DISTRESS button.
TX and Alarm indicators flashes and an
intermittent sound starts.
If time permits, release the distress button
and select the NATURE of distress.
4. Press DISTRESS for 3 seconds.
TX and Alarm indicators becomes steady lit
and the intermittent sound ceases.
Then the distress alert call will be sent on the
DSC distress frequency 2187,5 kHz.
Wait for answer.
The distress alert call is transmitted five times
in succession.
After 35 seconds the radio is set to the
telephony distress frequency 2182 kHz.
The watch receiver is waiting for DSC
acknowledgement.
The call attempt is automatically repeated approx. every 4 minutes if no DSC acknowledge-
ment is received.
Acknowledgement
5. Press CONNECT or lift handset.
The radio is set to the telephony distress
frequency.
6. Press the handset key and say:
“MAYDAY”
“This is”
- the 9-digit identity and the call sign or other identification of the ship,
- The ship’s position,
- The nature of distress and assistance wanted,
- any other information which might facilitate the rescue.
“OVER.”
Release
Press
Release the handset key and listen for answer.
Be aware not to cover the micro phone while
pressing the handset
0131
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Содержание HC4500B
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