JMA-9100 Instruction Manual > 5.OPERATION OF TARGET TRACKING AND AIS > 5.4 DECISION OF TARGETS AS IDENTICAL
(Association)
5ļ¼39
5
Once regard as identical, when one of the differences exceed 125% of the set condition, they
are regarded as dissidence.
5.4.3 Types of Decision Conditions to be Set
i
The setting for this function is common to Association Setting in
the AIS Menu.
Decision conditions
1. Association On / Off (Function to decide targets as
identical)
2. Priority AIS / TT (Symbol to be displayed)
3. Bearing
0.0ļ½9.9Ā°
4. Range
0ļ½999m
5. Cource
0ļ½99Ā°
6. Speed
0ļ½99kn
7.Applicable AIS Target ACT or ACT&Sleep (activated AIS target or
all AIS target)
If a great value is set as a condition for deciding
targets as identical, a tracking target near an AIS target
is regarded as identical to the AIS target and it may not
be displayed any more.
For example, when a pilot boat (which is a small target
not being tracked) equipped with an AIS function
approaches a cargo ship as a tracking target not
equipped with an AIS function, the tracking target
symbol of the cargo ship may not be displayed any
more.
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