JRC JMA-9172-SA, Instruction Manual

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JMA-9172-SA Instruction Manual
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5.OPERATION OF TARGET TRACKING AND AIS
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5.1 PREPARATION
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5.1.2 Definitions of Symbols
5.1.2.1 Types and Definitions of Target Tracking Symbols
Vector/
Symbol Definition Remarks
Initial acquisition
target This symbol is displayed until the vector is
displayed after target acquisition.
Target acquired in
automatic
acquisition zone The alarm sounds.
The alarm message (New Target) turns red and
blinks.The symbol is red colored.
Tracked target
Dangerous target The alarm sounds.
The alarm message (CPA/TCPA) turns red and
blinks.The symbol turns red and enlarges.
Numeric
displayed target When the numeric data is displayed, the target
symbol is enclosed in a square.
Lost target The alarm sounds.
The alarm message (Lost) turns red and
blinks.The symbol turns red, and indicates with
X mark.
Past position The past positions of an AIS target are displayed
as well as the target tracking symbol.
Target track The track of another ship as an AIS target is
displayed as well as the target tracking symbol.
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