Users Manual

Operation
4-18
4.3.2 Receiving routine individual calls
When receiving an individual DSC call from a coast or ship station, perform the following
procedures as appropriate according to the message.
■ Procedure ■
1
1
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The receiving screen at right is displayed with the RX
DSC mark flashing for a moment, and the alarm sound
grows louder gradually.
This example message contains the following information.
- Message type: Individual call
- Caller's MMSI: 431000001
- Object: All modes RT on CH06
2
2
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Touch the [STOP] button to silence the alarm and
display the screen at right.
 The following handling menu buttons are displayed.
ACK: Sends the acknowledgement.
NACK: Sends the acknowledgement (Unable
to comply).
NEW CH: Sends the acknowledgement with a
new channel.
ACT/HOLD: Switches this event state between
Active and On hold.
INF: Displays the received message.
END: Terminates the call.
 After selecting the [NACK] button, then select the
reason on the UNABLE REASON menu as shown at
right.
3
3
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To send acknowledgement, touch the [ACK] button.
 The equipment waits for the free channel condition as
shown at right, and the acknowledgement is sent.
 Lifting the handset operation also starts sending the
acknowledgement as well.