Garmin GMR 21/41 Show, Hide, Move, ENTER, ENTER, ENTER, ENTER, ENTER, ENTER, Adjust, Adjust, ROCKER, ROCKER, ROCKER, VRM/EBL, VRM/EBL, Show VRM/EBL, To adjust the VRM/EBL:

3.Using the ROCKER, define the area on the Radar Page by adjusting three points: Corner 1, Corner 2, and Circular.

4.Press ENTER to set the Guard Zone.

VRM/EBL

The Variable Range Marker (VRM) and Electronic Bearing Line (EBL) tools measure range and bearing to a target. You can move the center point of the VRM, which allows you to measure from one target to another. Two VRM/EBL tools can be activated at the same time.

The VRM/EBL option has two tools, VRM/EBL 1 and VRM/EBL 2. EachVRM/EBL tool has two settings, Show (Hide) and Adjust.

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

Basic Operation > Radar Page

To enable VRM/EBL 1 or VRM/EBL 2:

On the Radar adjustment menu, highlight Show VRM/EBL 1 or VRM/EBL 2, and then press ENTER.

You can adjust the diameter of the VRM and the angle of the EBL.

To adjust the VRM/EBL:

1.Highlight Adjust, and press ENTER.

2.Press right or left on the ROCKER to rotate the EBL around the center point of the VRM.

3.Press up or down on the ROCKER to increase or decrease the size of the VMR.

4.Press ENTER to accept the changes.

To move the center location of the VRM:

1.Highlight Move, and press ENTER.

2.Using the ROCKER, move the center point of the VRM to the selected location.

3.Press ENTER to set the new location.

To use the VRM/EBL, expand the diameter of the VRM so that the outer edge touches the target. Rotate the EBL until it intersects the VRM at the target location. The measured range and bearing are shown in the lower-left corner of the screen.

GMR 21/41 Owner’s Manual