9.11 Using radar to measure distances,
ranges, and bearings
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
(approximate
distance)
Yes
(approximate
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:
D
12214-1
D
12215-1
D
12216-1
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 specified
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
1
2
D
12217-1
Using radar
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