Radar

Radar Display Modes

The Radar screen has four standard operating modes. Each mode is available for use only with a compatible radar.

Cruising mode—shows a full-screen image of the gathered radar information.

Harbor mode—intended for use in inland waters, this mode works best with short-range radar signals (2 nm or less).

Offshore mode—intended for use in open waters, this mode works best with long-range radar signals.

Sentry mode—allows you to put the radar into timed-transmit mode, in which you can configure a radar transmit and standby cycle to conserve power. You can also enable a guard zone in Sentry mode, which identifies a safe zone around your boat.

Radar Mode

Compatible Radar

 

 

 

 

GMR 20, 21, 40, 41

GMR 18, 18 HD,

GMR 404, 406

GMR 604 xHD, 606 xHD,

 

 

24, 24 HD

 

1204 xHD, 1206 xHD

Cruising

x

x

x

 

Harbor

 

 

 

x

Offshore

 

 

 

x

Sentry

x

x

x

x

Cruising Mode

Cruising mode is the standard radar operation for the GMR 20, 21, 40, 41, 18, 18 HD, 24, 24 HD, 404, and 406 radar.

Note: If you switch from Sentry mode to Cruising mode, the radar switches to full-time transmission and disables all guard zones.

Showing Cruising Mode

From the Home screen, select Radar > Cruising.

A full-screen image of the gathered radar information appears. Your position is in the center of the screen, and the range rings provide distance measurements. The distance between rings and the radar range are shown on the bottom of the screen.

 

 

 

Cruising Mode

GPSMAP 700 Series Owner’s Manual

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