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6000/7000 Series Owner’s Manual 75
Radar
Dual Range Mode
Dual Range mode provides a side-by-side view of both short-range and long-range radar data, with
a GMR 604 xHD, 606 xHD, 1204 xHD, or 1206 xHD radar. The two radar views provided in this
mode can be especially useful at night or in inclement weather.
Short-range radar data appears on the left side of the dual-range screen, and the signal range cannot
exceed 3 nm (4 km). Long-range radar data appears on the right side of the dual-range screen, and
the signal range must be greater than the signal range shown on the short-range screen. The short-
range screen is comparable to Harbor mode, and the long-range screen is comparable to Offshore
mode.
NOTE: If you switch from Sentry mode to Dual Range mode, the radar switches to full-time
transmission and disables any guard zones. If you switch from Harbor mode or Offshore mode to
Dual Range mode, all MARPA targets are cancelled, and you cannot acquire MARPA targets until
you exit Dual Range mode.
Showing Dual Range Mode
From the Home screen, select Radar > Dual Range.
Dual Range Mode
Short-range radar
Long-range radar
Sentry Mode
Sentry mode allows you to put the radar into timed-transmit mode, in which you can congure a
radar transmit and standby cycle to conserve power. You can also enable a guard zone in this mode,
which identies a safe zone around your boat and sounds an alarm when a radar object enters this
zone. Sentry mode works with all GMR models.
Showing Sentry Mode
NOTE: If you switch to Sentry mode and MARPA is disabled in Sentry mode, all MARPA targets
are cancelled, and you cannot acquire MARPA targets until you exit Sentry mode. If MARPA is
enabled in Sentry mode, MARPA targets are not cancelled.
From the Home screen, select Radar > Sentry.
Enabling MARPA in Sentry Mode
From the Home screen, select Radar > Sentry > Menu > Sentry Setup > MARPA > On.