Dsc Call Log - JRC JHS-770S Instruction Manual

4.6

DSC call log

Received DSC messages are classified as distress messages and as other messages.
recent messages for both types of received and transmitted are saved in the log.
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.
Received distress calls are automatically deleted after 48 hours to avoid accidental
resending or other misoperation.
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 displayed in this received distress message log.
receiving a distress call containing the same 5 messages, only one of those will be stored.
■ ■
Procedure
1 .
1 .
1 .
Press the
MENU
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.
CAUTION
key, and through
Accordingly, if such messages cannot be read
4.1)Received distress list
Date/Time
'06-12-31 11:20 ACK
'06-12-31 11:15
'06-12-31 11:10
'06-12-30 08:55
From: 431012345
Received distress message
Type
From
Nature
Position :34ﾟ00.1234'S
UTC
[Close]
Operation
The 20 most
Additionally, when
Type
Relay-ACK
Distress
Relay
:Distress
:987654321
:Fire
140ﾟ00.1234'W
:14:55
[ACK] [Relay]
4-55