Automatic Target Activation - JRC JMA-9922-6XA Instruction Manual

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■Automatic Target Activation

The AIS target in a guard zone is activated automatically and the vector and the heading of the
target are displayed. The guard zone for AIS target activation is the same zone used in ARPA. For
further details of guard zone setting, please see "Set Guard Zones" at Chapter 3.4 of the
instruction manual of JMA-9900 series radar.
automatically.
Note:
・When the manual 'ACTIVATION' operation is performed at the position where no AIS sleeping
symbol is displayed, an AIS target is searched at the near area pointed by the cursor "+". The
following "search mark" is displayed.
A activated target symbol is displayed when an AIS target is found near the "search mark". Then
the "search mark" is removed. On the other hand, no AIS target found in approx. 4 minutes, the
"search mark" disappears.
・When no vector of the activated target is displayed, please refer to "1-13 Conditions of AIS
Symbol Display."
・No activated symbol may be displayed if the priority of the search target is lower than existing
activated AIS targets displayed on the screen. Refer to "1-13 Conditions of AIS Symbol
Display".
SEARCH
Search Mark
A-23
Dangerous AIS targets are also activated