User's Manual

Synapsis Radar
with Nautoscan NX Pedestal
Operator Manual
4265.DOC020102
2-152
Edition July 2015
AIS Target
Symbol
Description of symbols
Heading lines
234566374 234566374
Heading lines shall be selected for
display for activated AIS targets
and associated targets,
represented by AIS target
symbols.
Heading lines shall originate at the
apex of the AIS triangle and shall
extend not less than 4 mm and at
least 4 mm beyond the bow of the
true scaled outline when it is used.
They shall be drawn using a solid
line style with the same basic color
as used for target symbols.
Heading lines for dangerous AIS
target shall flash with their base
symbol until acknowledged by the
user.
An activated target without a
reported heading shall be
orientated to the top of the
operational display area and when
AIS heading is enabled shall not
include a heading line.
Heading lines –
turn indicators
223345765 223345765
The user shall select to display
turn indicators for activated AIS
targets and associated targets
represented by AIS target
symbols.
Turn indicators shall be presented
as a single line extending at least
1 mm but not more than 2 mm
perpendicular to the heading line
in the direction of turn. The
indicator shall be drawn using a
thin solid line style with the same
basic color as used for their target
symbols.
Turn indicators for dangerous
targets shall be the required color
red (until no longer dangerous)
and shall flash with their symbol
until acknowledged by the user
.