Acknowledging A Received Distress Call - JRC JSS-2150 Instruction Manual

4 . 5 . 3 . 4

Acknowledging a received distress call

4 . 5 . 3 . 4
Ship stations must keep watch on distress communications after they receive the distress call. If
necessary (after consulting with the RCC or a coast station and being directed to do so) it is
possible to acknowledge the ship in distress from your own ship.
■ ■
Procedure
1 .
1 .
1 .
Press the
MENU
hierarchical menus, select 4.1 Received
distress.
On the bottom line, the MMSI of the ship is
displayed highlighted by the cursor.
2 .
2 .
2 .
Select the distress call to acknowledge
and press ENT.
The distress message is displayed with the
ACK/Relay/Close handling menu.
If the distress call message could
Note
not be received on 2187.5 kHz,
ACK is disabled so it is not
displayed.
3 .
3 .
3 .
Scroll the received message by using the
jog dial, when the cursor is on ACK press
ENT.
The warning message, "In principle, the
ACK should be sent by a coast station" is
displayed.
4 .
4 .
4 .
After confirming the warning message,
select "Continue" and press ENT to send the
acknowledgement in 2187.5 kHz DSC mode.
In the case of the radiotelephone specified,
after sending the acknowledgement the
mode is set to 2182.0 kHz, communicate by
radiotelephone with the ship in distress
according to the following procedure.
Say "MAYDAY".
Repeat the identity (MMSI) of the ship in distress 3 times
Say "This is..."
Repeat the identity (MMSI) of your ship 3 times
Say "RECEIVED MAYDAY".
In the case of the FEC specified, after sending
the acknowledgement the mode is set to
2174.5 kHz. Then the telex communication can
be started with the data terminal.
key, and through
I D 4 3 1 0 0 1 2 3 4 T I M E 2 3 : 5 9 ( U T C )
P o s 8 9 ﾟ 5 9 . 0 1 2 3 ' N
1 7 9 ﾟ 5 9 . 6 7 8 9 ' E @ 2 3 : 5 9
T E L R x : 2 1 8 7 . 5 / T x : 2 1 8 7 . 5 k H z T x
R e c e i v e d d i s t r e s s m e s s a g e
P o s i t i o n : 9 0 ﾟ 0 0 . 0 0 0 0 ' N
1 8 0 ﾟ 0 0 . 0 0 0 0 ' E
U T C o f p o s : 2 3 : 5 7
S e n d i n g t h e m e s s a g e .
M o d e : R a d i o t e l e p h o n e
E O S : E O S
R x F R Q : 2 1 8 7 . 5 / 4 2 0 7 . 5 /
6 3 1 2 . 0 / 8 4 1 4 . 5 /
1 2 5 7 7 . 0 / 1 6 8 0 4 . 5 k H z
[ A C K ] [ A C K ] [ R e l a y ]
Operation
( E X T )
T
[ C l o s e ]
4-67