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5.1 PREPARATION
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5.1.2 Definitions of Symbols
Types and Definitions of EPA and ATA Symbols
Vector/Symbol Definition Remarks
Safe target
Dangerous target
Alarm characters (CPA/TCPA) appear and an
alarm sounds.
The characters blinks with red lamp.
Target for which numeric data is
displayed
When numeric data is displayed, the target
symbol is changed into
â–¡.
Initial acquisition mark
This symbol is displayed until the vector is
displayed after target acquisition.
Target that has intruded into the
guard zone
Alarm characters (GZ) appear and an alarm
sounds.
The characters blinks.
Lost target (a target that can not be
tracked for any reason)
Alarm characters (LOST) appear and an alarm
sounds. The symbol blinks. No vector is
displayed.
Trackball cross cursor mark
This mark is used to designate a target when
acquiring manually and canceling it and
indicating its numerical data.
A target’s past positions
The symbol and vector is displayed only when
[PAST POSN] is ON. The position interval
can be set to
OFF/0.5min/1min/2min/4min
0.1nm/0.2nm/0.5nm/1nm
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