Other vessels on the chart panel
Other vessels’ movement can be displayed in the chart by connecting an AIS system or an
ARPA radar to the system.
The system can alert the user about potentially dangerous targets and loss of
communication with a target.
AIS and ARPA targets are displayed in separate layers. The layers can be toggled on/off by
right-clicking the Layers shortcut button.
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Note: If any other layer than Mariner objects is turned on, the light indicator in the Layers
shortcut button turns yellow. You turn off all layers except Mariner objects by left-
clicking the Layers shortcut button.
The system does not have any limits for maximum number of AIS or ARPA targets. However,
warnings are issued as follows:
• ARPA targets:
- A 95% limitation warning is issued when 38 targets is reached
- A 100% limitation warning is issued when 40 targets is reached
• AIS targets:
- A 95% limitation warning is issued when 950 targets is reached
- A 100% limitation warning is issued when 1000 targets is reached
AIS targets
AIS target symbols
The following icons are used for AIS targets in the system:
Symbol Description
Sleeping AIS target, aligned with received heading information or
with COG information if heading is not available
AIS target with heading line and SOG/COG (dotted line), and with
indicated turn direction
AIS target with true scaled outlines
AIS target with past track
Selected AIS target, indicated with a square (dotted line) around
the target symbol
Dangerous AIS target indicated with bold line and with red color.
The symbol flashes until the target alarm is acknowledged by the
operator
Lost AIS target, indicated with crossed lines centered on the target
symbol. The symbol is located at the last received position from the
target
Associated target - using AIS data
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Other vessels on the chart panel | E50xx ECDIS Operator Manual
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