Operation
4-55
4.6 DSC call log
DSC messages will be classified into received distress message log, received other message log, and
transmitted message log. Each log enables to store up to 20 of the latest messages.
CAUTION
A distress acknowledgement or a distress relay call can be transmitted from a
received distress message stored in the log, but when sending such a kind of call,
follow the instructions of the ship's captain or officer in charge.
In order to avoid accidental distress message treating, received distress messages
will be erased automatically after 48 hours elapsed since the reception.
Accordingly, if such messages cannot be read out, it is NOT a malfunction.
4.6.1 Received distress messages
Received messages regarding distress calls and the acknowledgements, distress relay calls and the
acknowledgements will be stored in this received distress message log. Additionally, when receiving
a distress call containing the same 5 messages, only one of those will be stored.
■ Procedure ■
1
1
1
.
.
.
Press MENU , and through hierarchical
menus, select the 4.1 Received distress list.
On the bottom line, the MMSI of the ship
highlighted by the cursor will be displayed.
In the event of a receiving error (ECC error),
"ECC error" will be indicated in the Type field.
2
2
2
.
.
.
To view a message, select a line by timestamp
and/or message type, and press ENT.
The selected message will be displayed.
Also the screen shows Message handling menus
at the bottom of the screen and enabled to handle
the message as follows.
(The handling menus will differ depending on the
type of message .)
- Close: Close the message and return to the list.
- ACK: Send the acknowledgement to the caller.
(In this case, to the ship in distress)
- Relay: Send this message to a specified coast
station as a distress relay call.
4.1)Received distress list
Date/Time Type
'06-12-31 11:20 ACK
'06-12-31 11:15
'06-12-31 11:10
'06-12-30 08:55
Relay-ACK
Distress
Relay
From: 431012345
Received distress message
Type :Distress
From :987654321
Nature :Fire
Position :34ﾟ00.1234'S
140ﾟ00.1234'W
UTC :14:55
[Close] [ACK] [Relay]
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