Measuring Distances, Ranges And Bearings; Using The Range Rings; Using The Cursor - Raymarine E Series Reference Manual

81244_4.book Page 167 Thursday, January 31, 2008 1:53 PM
Chapter 7: Using the Radar (Analog)

7.9 Measuring 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
Range Rings
Cursor
Variable Range Markers (VRMs)
Electronic Bearing Lines (EBLs)
Floating VRMs
Floating EBLs

... 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 boat at pre-set
distances. The number and spacing of the rings changes as you range in and out.
e.g.
Range -
Range rings -

... Using the cursor

To measure the bearing and range from your boat to a specified target, move the
cursor to the appropriate position on the screen.
Bearing and range from
your vessel to cursor
Note:
Distances
between points
Yes (approx.)
-
-
-
Yes
1 3
/ nm Range -
4
1
/ nm apart Range rings -
8
Cursor
If cursor data is not shown, refer to page 10 and page 293.
Range from
your boat
Yes (approx.)
Yes
Yes
-
-
1
/ nm Range - 1
4
1
/ nm apart Range rings -
4
167
Bearings
-
Yes
-
Yes
-
Yes
/ nm
2
1
/ nm apart
4