4. AIS OPERATION
4-25
4.17.5
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. Select [5 AIS].
4. Select [8 AIS ALERT MES-
SAGES].
5. Select the message to dis-
play.
6. Close the menu.
4.18
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 no AIS data is received, the message "AIS COM
ERROR" appears in the Alert Box. Check connection with the
AIS transponder.
When the AIS function is disabled
: Above message is prior-
itized as a Caution level alert for IMO/R-types. A/B/W-types do
not show this alert.
When the AIS function is active
: Above message is priori-
tized as a Warning level alert for all radar types.
"AIS CAPACITY 95%"
Caution
Number of AIS targets has reached 1140. (Appears for R-types
only.)
"AIS CAPACITY FULL" Caution
Number of AIS targets has reached 1200. (Priority is set to
Warning for R-types.)
"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
Summary of Contents for FAR-2218
Page 132: ...1 OPERATIONAL OVERVIEW 1 110 This page is intentionally left blank ...
Page 176: ...3 TARGET TRACKING TT 3 36 This page is intentionally left blank ...
Page 202: ...4 AIS OPERATION 4 26 This page is intentionally left blank ...
Page 232: ...5 VIDEO PLOTTER OPERATION 5 30 This page is intentionally left blank ...
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