JRC JMA-3400 Series Instruction Manual page 115

Reference:
Manual acquisition
The target can be acquired manually by following procedures.
1. Move the cross cursor to location where want to acquire with the MULTI control or the cross key.
2. Press the ENT button.
3. Wait about one minute.
Cancel the acquired target
The target can be canceled manually by following procedures.
1. Move the cross cursor to target where want to cancel with the MULTI control or the cross key.
2. Press the CLR button.
Symbols of AIS displayed on the screen
Symbol Definition
Initial
acquisition
Tracking
target
Dangerous
target
Lost
Selection/
Numerical
display
This symbol is displayed where the target is acquired.
This is displayed with a circle of thin dotted line.
This symbol is also used for the target acquired automatically.
This symbol is displayed for the target which becomes the tracking target
after acquired.
This is displayed with a circle of thick line.
This symbol is displayed when the tracking target becomes a dangerous
target with CPA/TCPA decision.
This is displayed with a circle of thick line (basic color is red).
This blinks while this is not acknowledged. Then, it stops blinking when it is
acknowledged.
When there are some dangerous targets, targets which is not
acknowledged blinks, and targets which has been acknowledged does not
blink.
When a tracking target is no longer detected as a target, this symbol is
superimpose-displayed on the target symbol.
This is displayed with cross lines.
This is superimpose-displayed on tracking targets or dangerous targets
When selecting a tracking target to display its numeric information, this
symbol is superimpose-displayed on the selected target.
This is displayed with a split square.
This is superimpose-displayed on tracking targets or dangerous targets.
Chapter 5 VARIOUS FUNCTIONS
Remarks
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