VRM (Variable Range Marker) / EBL (Electronic Bearing Line)

The VRM/EBL is used to determine range and bearing of radar objects.

Variable range marker (VRM)

The VRM is a circle centered on one object and then adjusted so that the circle meets a second object. The range between the 2 objects is displayed along the circle.

Electronic Bearing Line (EBL)

The EBL is a straight line from the center of the VRM to the edge of the screen and signifies the bearing from the object in the center of the VRM to the second object which the EBL should pass through.

RadarVRM/EBL

  1. Centered VRM/EBLVRM/EBLCentered

    By default when the VRM/EBL is enabled it will be centered around your vessel. You can use the ‘centered’ VRM/EBL to determine the range and bearing of an object in relation to your vessel.

  2. Floating VRM/EBLVRM/EBLFloating

    You can adjust the VRM/EBL so that it is centered on another object, know as a ‘floating’ VRM/EBL. You can use the floating VRM/EBL to determine the range and bearing between the 2 objects.

The reference point used for the VRM/EBL can be configured to either measure bearing from true north / magnetic north or be a bearing relative to your vessel.

When set to True/Mag bearing is measured from the display’s selected bearing reference (i.e.: True or Magnetic north). The display’s bearing reference can be specified from the Units menu: Homescreen > Units > Bearing.

When set to Relative bearings are taken from the Ships Heading Marker (SHM).