User's Manual

Operation
4-38
4.4.2 Receiving routine individual calls
When receiving an individual DSC call from a coast or ship station, according to the message,
perform the following procedures as appropriate.
Procedure
1
1
1
.
.
.
The screen at right is displayed, and the
ALM lamp blinks and the alarm grows
louder gradually.
¾ The example message contains the following
information.
- Message type: Routine individual call
- Caller's MMSI: 123456789
¾ If no procedure exists, starts operating the
received message automatically.
2
2
2
.
.
.
Press the CANCEL key or ENT to stop the
alarm, then the screen at right is displayed.
3
3
3
.
.
.
Press FUNC key or ENT to move the focused
screen to the operation control screen and
select the option to handle the procedure.
Options shown at right are as follows.
ACK ....... Sends the acknowledgement.
NCK Sends a reply as “unable to comply”.
Note) Select the unable reason on the
popup screen at right.
NEW ...... Sends acknowledgement with a new channel.
INF ........ Indicates the receiving message.
HLD ....... Makes the procedure on hold.
END ...... Terminates the procedure.
4
4
4
.
.
.
When sending the acknowledgement for
communication, select ACK and press ENT.
¾ Instead of selecting ACK, lifting the handset
from the cradle is also available.
¾ The equipment waits for the channel free
condition as shown at right. After checking it,
the acknowledgement is sent immediately.
ID 431001234 23:59(UTC)
Pos 89゚59.0123'N
179゚59.6789'E@23:59 (EXT)
RxID:123456789|IND|RTN
Waiting to send ACK(00.3min)
RX FRQ: 2177.0kHz
TEL :Rx 2150.0/Tx 2150.0kHz
Press CANCEL to silence alarm.
DSC
2177.0
2177.0
A A
ID 431001234 23:59(UTC)
Pos 89゚59.0123'N
179゚59.6789'E@23:59 (EXT)
RxID:123456789|IND|RTN
Waiting to send ACK(00.3min)
RX FRQ: 2177.0kHz
TEL :Rx 2150.0/Tx 2150.0kHz
[ACK][NCK][NEW][INF][HLD][END]
DSC
2177.0
2177.0
A A
ID 431001234 23:59(UTC)
Pos 89゚59.0123'N
179゚59.6789'E@23:59 (EXT)
RxID:123456789|IND|RTN
Waiting to send ACK(00.3min)
RX FRQ: 2177.0kHz
TEL :Rx 2150.0/Tx 2150.0kHz
[ACK][NCK][NEW][INF][HLD][END]
DSC
2177.0
2177.0
[ACK]
A A
ID 431001234 23:59(UTC)
Pos 89゚59.0123'N
179゚59.6789'E@23:59 (EXT)
TxTO:123456789|IND|RTN|ACK
Waiting for CH free
Call-F:Rx 2177.0/Tx 2177.0kHz
TEL :Rx 2150.0/Tx 2150.0kHz
[RTRY][INF][HLD][END]
DSC
2177.0
2177.0
A A