Users Manual Part 6

4. AIS OPERATION
4-27
4.16.5 How to display AIS alert messages
The AIS transponder outputs various alert messages. To view the alert list:
1. Open the menu.
2. Select [5 TT•AIS].
3. For IMO-types, select [5 AIS].
For C-types, select [4 AIS].
4. Select [8 AIS ALERT MESSAGES].
5. Select the date and time of the message to display, then left-click.
6. Close the menu.
4.17 AIS System Messages
AIS system messages are displayed at the bottom right corner of the screen. The table
below shows the AIS system messages, their alert priority and their meanings.
Message Priority Meaning
"AIS DANGER OF
COLLISION"
Alarm CPA and TCPA of an activated AIS target are below value set
on the menu.
"AIS NEW TARGET" Warning AIS target has entered an acquisition zone.
"AIS TARGET LOST" Warning Lost target. An activated target is declared a lost target when it
fails to produce data for six minutes or five reporting intervals,
whichever is the shorter.
"AIS DISPLAY FULL" Warning The radar only displays the closest 350 AIS targets from own
ship.
"ACTIVE AIS FULL" Warning Number of active AIS targets has reached 50.
"AIS COM ERROR" Warning Not receiving AIS data from own AIS (VDO message).
Note: When [AIS FUNC] is set to [OFF], this message is prior-
itized as a Caution level alert; when [AIS FUNC] is set to [ON],
it is prioritized as a Warning level alert.
"AIS CAPACITY FULL" Caution Number of AIS targets has reached 1200.
"AIS DISPLAY 95"% Caution Number of displayed AIS targets has reached 333.
"ACTIVE AIS 95%" Caution Number of active AIS targets has reached 48.
"TRANSMIT ERROR" Caution Could not send AIS message.
Message contents
appear here