User's Manual

Synapsis Radar
with Nautoscan NX Pedestal
Operator Manual
4265.DOC020102
2-150
Edition Sep 2015
AIS Target
Symbol
Description of symbols
Activated AIS
targets
Activated AIS target with neither
reported heading nor COG.
Activated AIS targets shall be
presented as acute isosceles
triangles oriented to the targets’
reported heading (or COG if
heading is not reported) and
centered at the targets’ reported
position. The base of the triangles
shall be 4 mm and the height shall
be 6 mm. The triangles shall be
drawn using a thick solid line style
(or a broken line if a collision
avoidance computation cannot be
done) with the basic color used for
target symbols.
An activated AIS target with
neither a reported heading nor
COG shall be oriented toward the
top of the operational display area.
Activated AIS targets may be
labeled. Alphanumeric text used to
label AIS targets shall be drawn
with the same basic color as used
for target symbols
.
Activated AIS
targets – true
scaled outlines
254485373
Alternatively, when own ship is
presented as a true scaled outline,
the user may select to add true
scaled outlines to activated AIS
target symbols.
True scaled outlines for activated
AIS targets shall be drawn around
the AIS target symbol triangles
relative to the targets’ reported
position according to the offsets,
beam and length. The outline shall
be drawn using a thick solid line
style.
True scaled outlines for activated
AIS targets shall be drawn with the
same basic color used for target
symbols.