Furuno tztl12f Marine GPS System User Manual


 
12. AIS, DSC MESSAGE
12-2
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].
Lost AIS
target
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.
No CPA/
TCPA
target
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.
Symbol Meaning
AtoN
Base Station
Aircraft
SART
Target
type
Symbol Description
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