AIS
If a compatible AIS (Automatic Identification System) source is connected to the system, then
any targets detected by these devices can be displayed and tracked. You can also see
messages and position for DSC transmitting devices within range.
AIS targets can be displayed as overlay on radar and chart images, making this feature an
important tool for safe travelling and collision avoidance.
You can set alarms to notify you if an AIS target gets too close or if the target is lost.
AIS vessels on a chart panel AIS vessels on a radar panel
AIS target symbols
The system uses the AIS target symbols shown below:
Sleeping AIS target (not moving or at anchor).
Moving and safe AIS target with course extension line.
Dangerous AIS target, illustrated with bold line.
A target is defined as dangerous based on the CPA and TCPA settings. Refer to
"Defining dangerous vessels" on page 102.
Lost AIS target.
When no signals have been received within a time limit, a target is defined as
lost.
The target symbol represents the last valid position of the target before the
reception of data was lost.
Selected AIS target, activated by selecting a target symbol.
The target returns to the default target symbol when the cursor is removed
from the symbol.
Viewing information about AIS targets
Searching for AIS items
You can search for AIS targets by using the Find option in the Tools panel.
From a chart panel you can search for AIS targets by using the Find option in the menu. If
the cursor is active, the system searches for vessels around the cursor position. Without an
active cursor, the system searches for vessels around your vessel's position.
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AIS | NSS evo2 Operator Manual
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