JRC JMA-9832-SA Instruction Manual page 206

Table 5.2 Definitions of Symbols
Vector/Symbol
Tracked target
Dangerous target
(CPA/TCPA)
Initial acquisition mark
Target with its data indicated
Lost target (This symbol
appears when a target can not
be tracked for any reason)
Target that has intruded into the
guard zone
Trackball cross cursor mark
A target's past positions
Definition
Alarm characters (CPA/TCPA) appear and
an alarm sounds.
The vector and symbol blinks.
Displayed after a target is acquired until
its vector is displayed.
When designating a target's data indication
with the trackball, the target's symbol is
changed into
indicated. However, in case of a lost target or
a dangerous target, its corresponding symbol
is displayed instead of
Alarm characters (LOST) appear and an
alarm sounds. No vector is displayed, but
the symbol blinks.
Alarm characters (GZ) appear and an
alarm sounds. The symbol blinks.
This mark is used to designate a target
when acquiring manually and cancelling it
and indicating its numerical data.
The symbol and vector is displayed only
when [PAST POSN] is ON. The position
interval can be set to 0.5, 1, 2 or 4 min.
5 – 19
Remarks
and the target's ID is
.