A.1.2 color legend for ais targets – Seiwa Marlin(v.16.31) User Manual
Page 6

6 - Addendum
• Sleeping Target
Target located outside the Activation Range. Sleeping Target is represented by a small oriented
triangle.
• Lost Target
When the AIS info is not received from that vessel for 3.5 minutes. The presentation will be a flashing
black triangle with a cross through.
• Activation Range
Range around your boat where Targets become active. AIS Target become active within this range.
Activation Range should be greater than CPA Limit by definition.
• SART
Search and Rescue Target, a target with active Search-and-Rescue status, i.e. a declared emergency
(vessel, man over board send my portable SART equipment, etc.)
NOTE
A Target is removed from the screen if data is not received for 10 minutes.
The maximum number of tracked Targets is 200.
Depending on the scale the presentation of the Targets change to remove clutter on the screen.
This information is updated every 3 seconds to 6 minutes depending on speed and rate of turn,
enabling the track of the vessels in range to be plotted.
A.1.2 Color Legend for AIS Targets
NOTES
triangle icon color is selected according to declared ship type;
smaller triangle is displayed for anchored/moored targets or when their speed less than 2 knots
Fig. A.1.2 - AIS Symbols