4. AIS OPERATION
4-24
4.17 How to Use AIS Messages
You can transmit and receive messages via the AIS, to a specified destination (MMSI)
or all ships in the area. Messages can be sent to warn of safety of navigation, for ex-
ample, an iceberg sighted. Routine messages are also permitted.
Short safety related messages are only an additional means to broadcast safety infor-
mation. They do not remove the requirements of the GMDSS.
4.17.1 How to create and save messages
Up to ten messages can be saved at any time. To create and save a message, do the
following:
Note: The MMSI of the receiving ship can be automatically set by selecting [TRANS-
MIT MESSAGE] from the pop up menu. To show the pop up menu, select the receiv-
ing ship’s data in the AIS data display area, then press the right button.
1. Open the menu.
2. Select [5 TT•AIS].
3. Select [5 AIS].
4. Select [5 TRANSMIT MESSAGE].
5. Select [2 ADDRESS TYPE].
6. Select [3 MESSAGE TYPE].
7. Select [SAFETY] (for safety messages) or [BINARY]
(for routine messages).
8. For [ADDRESSED] message, do this step. For [BROADCAST] message, or if
[TRANSMIT MESSAGE] was selected from the AIS data display pop up menu, go
to step 8.
1) Select [4 MMSI No.].
2) Use the number keys to set the receiving ship’s MMSI.
9. Select [5 CHANNEL].
10. Select the AIS channel to transmit your message over: [A], [B], [A or B], or [A and
B].
11. Select [0 NEXT] to show the next menu page.
12. Select [4 EDIT]. A software keyboard appears at the bottom of the menu.
13. Select the character desired, then left-click.
The maximum of 80 characters can be entered for the message.
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