JRC JHS-770S - Page 81

Operation
4-39
2
2
2
.
.
.
Press and hold the DISTRESS key for 4
seconds until the countdown is completed.
If released before the countdown is completed,
displays the menu of 2.3 Distress call for the
nature of distress selection.
3
3
3
.
.
.
The distress call will be sent.
4
4
4
.
.
.
Automatically remained in distress mode
until received the acknowledgement.
 The distress call will be automatically repeated
every 3.5 - 4.5 minutes until received the
acknowledgement or manually breaks the mode.
(The bottom line indicates the remaining time
until the next distress call.)
 The distress call can be sent as many times as
needed in this condition by the DISTRESS
key operation mentioned above.
5
5
5
.
.
.
When acknowledged, the screen at right will
be displayed and the alarm will sound
growing louder gradually. Then lift the
handset and request rescue using CH16 of
the radiotelephone.
 The ALM lamp blinks in sync with the alarm sound.
 Only to silence the alarm, press CANCEL when
displaying the screen at right.
 First, the responding station will call on the CH16,
then acknowledge the receipt as follows.
 "MAYDAY",
 "this is",
 Own ship's MMSI and call sign, position, nature of distress, and rescue requests
The following popup screens will be displayed as appropriate in distress mode.
Popup message Contents Notes
Attention!/Restarting
distress call soon…
Notifies that the distress call will
be resent within 12 seconds.
Received other call.
Break DISTRESS mode
to view message?
Equipment received a call but not
the acknowledgement.
To continue distress mode, select [Continue], or
to cancel distress mode to check the received
DSC call, select [Break]
Now continuing
DISTRESS call mode.
Break this mode?
Confirmation screen when pressed
CANCEL in distress mode
To continue distress mode, select [Continue], or
to cancel distress mode, select [Break]
Note
Station1 TIME 23:59(UTC)
POS 89ﾟ59'S
EXT 179ﾟ59'W
16
CH
DISTRESS
Next DISTRESS call: 3.9min later
SQL
[ITU]
2.3)Distress call
Nature :[Fire ]
Position:[NE] .
[ 12ﾟ34.5678'N]
[123ﾟ45.6789'E]
UTC :[12:20] .
Station1 TIME 23:59(UTC)
CH
70
CH70
Nature
Press DISTRESS to send. [Cancel]
DISTRESS call
starts in
4 sec
[ITU]
Station1 TIME 23:59(UTC)
POS 89ﾟ59'S
EXT 179ﾟ59'W
70
CH
DISTRESS
Next DISTRESS call: 3.9min later
SQL
[ITU]
Sending
DISTRESS call...
TX
Received Acknowledgement
Type :Distress ACK...
To :All ships .....
From :001234567......
Dist-ID :987654321......
Nature :Undesignated
Position :34ﾟ00.1234'N...
Station1 TIME 23:59(UTC)
16
CH70
Press CANCEL to silence alarm.
CH
[ITU]