Chapter 8: Using the Radar (Digital) 203
The Variable Range Marker (VRM) and Electronic Bearing
Line (EBL)
The VRM/EBL softkey opens the toolbars shown below:
Variable Range Marker
A Variable Range Marker (VRM) is a circle of variable radius centred on your vessel’s
position.
You can use the VRM to measure the distance from your vessel to a selected object
by adjusting the radius of the marker so that it intersects the object’s position.
The range is displayed on the ADJUST VRM softkey label when you highlight the
VRM.
Electronic Bearing Marker
An Electronic Bearing Line (EBL) is an on-screen marker drawn from your position to
the edge of the window.
Bearing and range from
your vessel to cursor
D8402_1
Cursor
D8408_1
VRM
81244_4.book Page 203 Thursday, January 31, 2008 1:53 PM
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