How To Display Ais Alert Messages - Furuno FAR-2218 Operator's Manual

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
"AIS DANGER OF
COLLISION"
"AIS NEW TARGET"
"AIS TARGET LOST"
"AIS DISPLAY FULL"
"ACTIVE AIS FULL"
"AIS COM ERROR"
"AIS CAPACITY 95%"
"AIS CAPACITY FULL" Caution
"AIS DISPLAY 95"%
"ACTIVE AIS 95%"
"TRANSMIT ERROR"
Priority
Alarm CPA and TCPA of an activated AIS target are below value set
on the menu.
Warning AIS target has entered an acquisition zone.
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.
Warning The radar only displays the closest 350 AIS targets from own
ship.
Warning Number of active AIS targets has reached 50.
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.
Caution Number of AIS targets has reached 1140. (Appears for R-types
only.)
Number of AIS targets has reached 1200. (Priority is set to
Warning for R-types.)
Caution Number of displayed AIS targets has reached 333.
Caution Number of active AIS targets has reached 48.
Caution Could not send AIS message.
4. AIS OPERATION
Message contents
appear here
Meaning
4-25