Receiving A Distress Relay Call - JRC JHS-770S Instruction Manual

Operation
4.4.5.2

Receiving a distress relay call

Normally, ship stations receive a distress relay call in the following situations.
・ When a coast station has transmitted an all ships or individual distress relay call.
・ When another ship station has transmitted a distress relay call to all ships, an individual
distress relay call, or a geographic distress relay call to a specific sea area.
As a general rule, the ship stations should respond via radiotelephony after receiving a distress relay
call. But if called individually by another ship station, and if allowed by a coast station, a distress
relay acknowledgement can be transmitted as follows.
be composed from the log of the received distress relay message.
■ ■
Procedure
1 .
1 .
1 .
When a distress relay call is received,
the screen at right will be displayed.
The specific alarm will sound growing louder
gradually.
The ALM lamp blinks in sync with the alarm sound.
The example message contains the following
information.
- Type:
- To:
- Caller's MMSI:
MMSI of ship in Distress: 987654321
-
- Nature of distress:
- Position and Time:
EOS:
-
2 .
2 .
2 .
Press CANCEL
the screen at right will be displayed.
3 .
3 .
3 .
Press ENT and watch on CH16.
Keep watch for at least 5 minutes.
When acknowledging the distress relay,
follow the procedure described below.
4-52
Distress relay call
Individual (own ship)
123456789
Fire, explosion
North latitude 34º 00.1234'
(Longitude and the time appears by scrolling.)
ACK is requested.
(appears by scrolling)
to stop the alarm, and
Further, a distress relay acknowledgement can
Station1
1 6
CH
Received distress message
Type :Distress
To :Individual.....
From :123456789......
Dist-ID :987654321......
Nature :Fire...........
Position :34ﾟ00.1234'N...
Press CANCEL to silence alarm.
Station1
1 6
CH
Received distress message
Type :Distress
To :Individual.....
From :123456789......
Dist-ID :987654321......
Nature :Fire...........
Position :34ﾟ00.1234'N...
[OK/CH16 watch] [Cancel]
Station1
1 6
CH
[ITU]
SQL
CH70 CH
SW
TIME 23:59(UTC)
CH70
[ITU]
relay.
TIME 23:59(UTC)
CH70
[ITU]
relay.
TIME 23:59(UTC)
POS 89ﾟ59'S
EXT 179ﾟ59'W