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56 GPSMAP 700 Series Owner’s Manual
Radar
Harbor Mode
Harbor mode is the standard radar operation for use in inland waters, with a GMR 604 xHD, 606 xHD, 1204
xHD, or 1206 xHD radar. Harbor mode works best with short-range radar signals (2 nm or less).
If you switch from Sentry mode to Harbor mode, the radar switches to full-time transmission and
disables all guard zones.
Showing Harbor Mode
From the Home screen, select > .
Harbor Mode
Offshore Mode
Offshore mode is the standard radar operation for use in open waters, with a GMR 604 xHD, 606 xHD, 1204
xHD, or 1206 xHD radar.
If you switch from Sentry mode to Offshore mode, the radar switches to full-time transmission and
disables all guard zones.
Showing Offshore Mode
From the Home screen, select > .
Offshore Mode