Sperry Marine Visionmaster FT ECDIS, User Manual

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Targets ECDIS User Guide
10-6 65900012
Activated
and
Selected When an activated target is selected a
dashed square outline appears centred on
the target origin and information on the
target is shown in the AIS window.
When an activated AIS target’s length and
beam exceed the standard AIS symbol
triangle, the AIS triangle is drawn with the
ship’s outline around it. The ships outline
symbol is not displayed if any of the
following apply:
1. When the reference point of the reported
position is unavailable.
2. When the dimensions of the ship are
unavailable.
3. When the beam of the outline is less
than 7.5mm.
4. When the targets heading is not reported
When the AIS ship's outline is selected to
display target tote information, the dashed
square outline appears centred on the
target origin and information on the target
is shown in the AIS window.
An AIS ship's outline is NOT
considered for CPA/TCPA
infringements. These calculations
will be taken from the AIS triangle
symbol.
Not used in
collision
avoidance An AIS target symbol that is not used in
collision avoidance calculations when SOG
and/or COG are not available. Or when the
Activate on CPA/TCPA/BCR setting is
disabled in AIS Display.
The default state for a newly acquired target is sleeping.
The display of sleeping targets may be switched off from the AIS Display
sub menu.