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11
OTHER FUNCTIONS
■
Lost target
A vessel is regarded as a “Lost target” after a specified period of time has passed since
the vessel last transmitted data, as described below.
The “Lost target” icon disappears from the plotter screen when the preset period of time
has passed after the vessel was regarded as a “Lost target.” Ask your dealer for details.
The criteria to become a Lost target
•
Class A/B
Vessel type
Lost target
maximum interval
Class A
Lost target
maximum interval
Class B *
1
CS *
2
SO*
3
1
Class A: Vessel is at anchor, moored and
not moving faster than 3 knots
Class B: Vessel is not moving faster than 2
knots
1080 seconds
1080 seconds
2 Vessel is at anchor, moored and moving
faster than 3 knots
60 seconds
N/A
3
Class A: Vessel is moving between 0 and
14 knots
Class B: Vessel is moving between 2 and
14 knots
60 seconds
N/A
180
seconds
4
Class A: Vessel is moving between 0 and
14 knots while changing course
Class B: Vessel is moving between 2 and
14 knots while changing course
60 seconds
N/A
5 Vessel is moving between 14 and 23 knots
36 seconds
N/A
90
seconds
6 Vessel is moving between 14 and 23 knots
while changing course
36 seconds
N/A
7 Vessel is moving faster than 23 knots
30 seconds
N/A
30
seconds
8 Vessel is moving faster than 23 knots while
changing course
30 seconds
N/A
9 Vessel is moving faster than 2 knots
N/A
180
seconds
N/A
*1 AIS Class B does not provide information about the navigational status, anchored or
moored.
*2 CS: Carrier-sense, *3 SO: Self organized
•
Others
Category
Lost target maximum interval
SAR aircraft, SAR vessel
60 seconds
AtoN, AtoN virtual, AIS-SART, AIS-MOB, EPIRB-AIS
1080 seconds
Base station
60 seconds
Summary of Contents for IC-M94DE
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