16.14 Tracked target list
All targets currently being tracked are shown in the
Tracked target list. MARPA and AIS targets are
shown in separate tabs.
The location of the Tracked target list is dependent
on the application and Overlays you have enabled:
• Radar application: Menu > Tracked Targets.
• Chart application with Radar and AIS overlays
enabled: Menu > Radar & AIS > Tracked Targets
• Chart application with only the Radar overlay
enabled: Menu > Radar > Tracked Targets
• Chart application with only the AIS overlay
enabled: Menu > AIS > Tracked Targets
AIS targets
By selecting an AIS target from the list you can:
• View full AIS Data
• Add the target as a Buddy (AIS targets only)
• Show the target in the Chart application
• Edit existing Buddy details:
– Remove Buddy
– Edit Buddy MMSI
– Edit Buddy Name
The List: options can be used to lter the AIS target
list to only display Buddies.
MARPA targets
By selecting MARPA target from the list you can:
• Cancel the target
• Show the target in the Chart application
Selecting Cancel All Targets will remove “stop
tracking all MARPA targets” in the list. You can also
cancel individual targets by selecting the ‘X’ in the
Cancel column.
16.15 Distances, range, and
bearing
When you are using the Radar application, you can
measure distances, ranges and bearings in a variety
of ways.
These options are detailed in the table below:
Functions
Distances
Between
Points
Range
From Your
Vessel Bearings
Range Rings
Yes (approx-
imate dis-
tance)
Yes (approx-
imate range)
No
Cursor
No Yes Yes
Variable
Range
Markers /
Electronic
Bearing Lines
(VRM/EBL)
No Yes Yes
Floating
VRM/EBL
Yes No Yes
Measuring using the range rings
Use the range rings to gauge the approximate
distances between points. Range rings are
concentric circles displayed on the screen and
centred from your vessel at pre-set distances. The
number and spacing of the rings changes as you
range in and out.
Examples:
Range — 1/4 nm
Range Rings —
760ft apart
Range — 3/4 nm
Range Rings —
1/4 nm apart
Range — 1 1/2 nm
Range Rings —
1/4 nm apart
Measuring using the cursor
To measure the bearing and range from your
vessel to a specied target, move the cursor to the
appropriate position on the screen and press Ok, the
Radar context menu will be displayed which shall
provide:
• Latitude
• Longitude
• Range
• Bearing
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