Receiving Safety Calls - JRC JSS-2150 Instruction Manual

4 . 5 . 1 . 4

Receiving safety calls

4 . 5 . 1 . 4
When receiving a safety call from a coast station or another ship station, the message is
displayed immediately. Then treat the message according to the type as below.
(1) Receiving an individual call
This procedure is identical to the case of a
routine call. However the screen shown at
right will be displayed with the alarm.
The example message contains the following
information.
- Message type:
- Caller's MMSI:
- Communication mode: Radiotelephone
Work frequency:
-
- Sequence process:
- Receiving frequency:
(2) Receiving an individual call
■ ■
Procedure
1 .
1 .
1 .
The screen at right is displayed, and the
ALM lamp blinks and the alarm grows
louder gradually.
The example message contains the following
information.
- Message type:
- Caller's MMSI:
- Purpose of call:
Sequence process:
-
- Receiving frequency:
2 .
2 .
2 .
Press the CANCEL
the alarm, and the screen at right is
displayed.
When the Auto ACK is set to on and
Note Note
the status display is displayed, the
acknowledgement is automatically
sent upon receiving a call, without
the notification shown at right.
(Type: Radiotelephone)
Individual call
123456789
Tx 4125.0 kHz
Rx 4125.0 kHz
ACK RQ
4207.5 kHz
(Type: Position request)
Individual call
123456789
Position request
ACK RQ
16804.5 kHz
key or ENT to stop
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 : 4 1 2 5 . 0 / T x : 4 1 2 5 . 0 k H z
R e c e i v e d s a f e t y m e s s a g e
T y p e : I n d i v i d u a l c a l l
F r o m : 1 2 3 4 5 6 7 8 9
I n t e n t : P o s i t i o n R Q
E O S : A C K R Q
R x F R Q : 1 6 8 0 4 . 5 k H z
P r e s s C A N C E L t o s i l e n c e a l a r m .
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 : 4 1 2 5 . 0 / T x : 4 1 2 5 . 0 k H z
R e c e i v e d s a f e t y m e s s a g e
T y p e : I n d i v i d u a l c a l l
F r o m : 1 2 3 4 5 6 7 8 9
I n t e n t : P o s i t i o n R Q
E O S : A C K R Q
R x F R Q : 1 6 8 0 4 . 5 k H z
[ S e n d A C K ] [ S e n d A C K ] [ C a n c e l ]
Operation
( E X T )
( E X T )
4-37