JRC JMA-5312-6 Instruction Manual page 256

Types and Definitions of AIS Target Symbols
Vector/Symbol
Note: AIS-SART function is available in the display software ver. 1.01 or later. As for method of
confirming software version, refer to section 8.3.1 " Check Performance on Test Menu ".
For details about AIS-SART, refer to section 6.6 " Display of AIS-SART ".
Definition
Sleeping target
Activated target
Target acquired in
automatic acquisition zone
Outline display
Numeric displayed target
Dangerous target
Lost target
Sleeping AIS-SART target
Activated AIS-SART target
Numeric displayed
AIS-SART target
Lost AIS-SART target
This symbol is displayed when received data is valid.
The direction of the triangle's vertex indicates the
target's bow or course.
The heading direction is displayed with a solid line,
and the course vector is displayed with a dotted line.
The line perpendicular to the heading direction
indicates the direction to which the course is to be
changed. This line may not be displayed.
The alarm sounds.
The alarm message (New Target) turns red and blinks.
The outlines of ships are displayed scaled down.
When the numeric data is displayed, the target symbol
is enclosed in a square.
The alarm sounds.
The alarm message (CPA/TCPA) turns red and blinks.
The symbol turns red.
The alarm sounds.
The alarm message (Lost) turns red and blinks.
The red X mark is displayed on the AIS symbol.
The AIS-SART symbol is same color as AIS target
symbol.
The target number displayed beside the symbol.
When the numeric data is displayed, the target symbol
is enclosed in a square.
When the data of an AIS-SART target cannot be
received for 6 minutes, the lost target is displayed.
5-7
Remarks