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5. DSC GENERAL MESSAGE CALLING, RECEIVING
5-14
5.3.2 How to receive a geographical area call
When you receive a geographical area message, the audio alarm sounds. The icon
( ) appears in the tab area, and the pop-up message "SAFETY (URGENCY) AREA
message received! [CANCEL]: Stop alarm" appears.
1. Press the CANCEL key to silence the audio alarm and erase the pop-up mes-
sage. The frequency is automatically tuned to the received frequency.
2. Watch on the working frequency. Communicate by radiotelephone or NBDP (see
the following "Geographical area call received by NBDP terminal unit").
3. After you have completed communications, rotate the ENTER knob to select
[QUIT] in the user options area then push the knob.
Geographical area call received by NBDP terminal unit
After receiving a geographic area call, confirm the following.
• The control unit's screen shows the TX and RX frequencies.
• The message from the sending station appears on your NBDP terminal unit.
5.4 Neutral Craft Call
The neutral craft call, which contains your ship’s position and MMSI, informs all ships
that your ship is not a participant in an armed conflict. The neutral craft call must be
enabled on the [SPECIAL MSG] menu. See section 6.18.
5.4.1 How to send a neutral craft call
1. Press the OTHER DSC MSG key.
2. Rotate the ENTER knob to select [MSG TYPE] then push the knob.
[ACKNOWLEDGED] ELAPSED TIME:
AREA MSG 00H00M31S
TO :
987654321 CAPTAIN_2575
COMM MODE :
TELEPHONE
COMM FREQ : TX 2170.0 /RX 2170.0 kHz
INFO PRINT HOLD QUIT
TX 2182.0/ RX 2182.00 kHz