Types And Definitions Of Ais Target Symbols - JRC JMR-5410-4X Instruction Manual

6.3.3 Types and definitions of AIS target symbols

Symbol
AIS12
AIS12
AIS12
AIS12
AIS12
AIS12
AIS122
Definition
Sleeping target
Target in pause state
Activated target
Activated target
Outline display
Numeric displayed
target
Dangerous target
Danger target
Lost target
Sleeping AIS-SART
target
6-7
Remarks
This symbol is displayed when received data is
valid. The direction of the triangle's vertex
indicates the target's heading or course.
When CTW/STW of the target cannot be
received, the symbol is displayed in a broken
line.
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.
When CTW/STW of the target cannot be
received, the symbol is displayed in a broken
line.
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 is enlarged and displayed in red.
When CTW/STW of the target cannot be
received, the symbol is displayed in a broken
line.
The alarm sounds.
The alarm message (Lost) turns orange and
blinks.
The symbol is displayed by overlaying red x
marks.
Displayed by the same colour as AIS symbol.
Section 6 Target Tracking and AIS
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