Proximity Ais Target Alarm - Furuno TZTL12F Operator's Manual

12. AIS, DSC MESSAGE
Target
type
Lost AIS
target
No CPA/
TCPA
target
Other AIS symbols that may appear are shown in the table below.
12.4

Proximity AIS Target Alarm

The proximity AIS target alarm alerts you when an AIS target is within the distance you
specify, and is applicable to both displayed and not displayed targets. When an AIS
target is within the distance set, the alarm indication "Proximity AIS Alarm" flashes in
the status bar and the audio alarm sounds. (See paragraph 2.10.7).
1. Open the home screen, then tap [Settings] - [Targets].
12-2
Symbol
Color
- AIS target: Blue for the Class A AIS
: Green for the Class B AIS
Color: Blue for the Class A AIS
: Green for the Class B AIS
Symbol
AtoN
Base Station
Aircraft
SART
Description
An AIS target becomes a lost
target if a signal is not received
from the AIS target for x* min-
utes. The lost target symbol is
erased if a signal is not re-
ceived for an additional x* min-
utes.
*: The time depends on the AIS
transponder. Check the opera-
tor's manual for your AIS tran-
sponder for information about
lost targets.
AIS symbols are shown in bro-
ken lines in the following cas-
es:
• No water or ground tracking
speed of your ship, or there
is no speed data. All AIS
symbols are shown in broken
lines.
• No speed data from AIS tar-
get. The symbol of the corre-
sponding AIS target is
shown in broken lines. A tar-
get with neither a reported
heading nor COG is oriented
toward the top of the opera-
tional display area.
Meaning