Icom MR-1220 Series Instruction Manual page 29

AIS description
2 AIS information box
Displays the selected AIS target (3) details.
Vector mode
AIS Class or Target type
MMSI and Name
Reference and Course
Closest Point of Approach
Bearing against your vessel
3 Selected AIS target
You can select an AIS target by moving the cursor
and pushing [ENTER]/[
square are displayed when a target is selected.
The AIS information of the selected AIS target is
displayed in the AIS information box (2).
4 AIS target
Targets whose AIS signal are received are
displayed with icons. The icon vary, depending on
the target type or its status.
Icon
Vessel
L The triangle tip shows its heading.
Vessel (CPA and TCPA are unknown)
Base Station
Search and Rescue (SAR) vessel
Search and Rescue (SAR) aircraft
Aids to Navigation (AtoN)
Virtual Aids to Navigation (Virtual AtoN)
Search and Rescue Transponder (SART),
Man OverBoard (MOB), or Emergency
Position Indicating Radio Beacon (EPIRB)
Details icon
Reference and Speed
Time to Closest Point of
Approach
Distance from your vessel
] on it. Four corners of a
Description
D Status of the vessel icon
Vessels are displayed with triangle icons. The icon
vary, depending on the target status.
Icon
Sleeping target:
A target in the following status is displayed
as a triangle without a heading or vector
line.
• Target whose AIS signal has been
updated (received), however the
distance from your vessel is far.
• Target that you manually changed to
Sleeping target.
• Target that you entered the Blocking
AIS list.
Activated target:
The target is displayed with the heading
line, Speed Over Ground (SOG), Course
Over Ground (COG) vector, and Rate Of
Turn (ROT).
Refer to the next page for details on the
lines.
Selected target:
The target's information is displayed in the
data area.
Dangerous target:
Even if the target's status is sleeping or
activated, when it enters your CPA and
TCPA limit settings, the target is displayed
with a thick line and changes its color to
red.
Lost target:
When the AIS signal has not been
updated (received) for a specific period of
time, the target triangle is marked with a
red cross.
If the AIS signal has still not been updated
(received) for 6 minutes and 40 seconds,
the target icon disappears.
L A vessel is regarded as a "Lost target" after
a specified period of time has passed since
the vessel last transmitted data. (p.27)
5
AIS RECEIVER
Status
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