4. AIS OPERATION
4-18
5. Close the menu.
4.15.4 How to automatically display received messages
1. Select the [AIS] box at the right of the screen, then press the right button. The
[AIS TARGET MENU] appears.
2. Select [AUTO DISP MESSAGE], then push the ADJUST knob.
3. Select [ON] to display messages as they are received, [OFF] to disable the auto-
matic display, then push the ADJUST knob.
4. Close the menu.
4.15.5 How to display AIS alert messages
The AIS transponder outputs various alert messages. To view the alert list:
1. Select the [AIS] box at the right of the screen, then press the right button. The
[AIS TARGET MENU] appears.
2. Select [AIS ALERT MESSAGES], then push the ADJUST knob.
3. Select the message to display, then push the ADJUST knob.
4. Close the menu.
4.16 AIS System Messages
AIS system messages are displayed at the bottom right corner of the screen. The table
below shows the AIS system messages and their meanings.
Message Priority Meaning
"AIS COLLISION" Alarm CPA and TCPA of an activated AIS target are be-
low 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 CAPACITY FULL" Caution Number of AIS targets has reached 1000.
"AIS DISPLAY FULL" Warning The radar only displays the closest 300 AIS targets
from own ship.
"ACTIVE AIS FULL" Warning Number of active AIS targets has reached 40.
"AIS COM ERROR" Warning Not receiving AIS data from own AIS (VDO mes-
sage).
"AIS DISPLAY 95"% Caution Number of displayed AIS targets has reached 285.
"ACTIVE AIS 95%" Caution Number of active AIS targets has reached 38.
"ASSOCIATION" Caution Tracked target merged with AIS target. The indica-
tion disappears when the target no longer meets
the criteria set in section 4.12.
When the message "AIS COM ERROR" appears,
"ASSOCIATION" is not displayed.
"TRANSMIT ERROR" Caution Could not send AIS message.
"AIS TRANSMITTING" Caution AIS message is being transmitted.
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