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90 GPSMAP
®
6000/7000 Series Owner’s Manual
Radar
Adjusting Rain Clutter on the Radar Screen
You can adjust the appearance of clutter caused by rain. Reducing the radar range also can minimize
rain clutter (page 72).
Setting Description
FTC This setting effects the appearance of large, hazy masses of clutter caused by rain at any
distance.
Rain Clutter This setting effects the appearance of nearby rain clutter and targets more than it effects
the appearance of distant rain clutter and targets. A higher rain clutter setting reduces
the appearance of clutter caused by nearby rain, but it can also reduce or eliminate the
appearance of nearby targets.
NOTE: Depending upon the radar in use, the rain clutter and FTC settings congured for use in one
radar mode may or may not be applied to other radar modes or to the Radar Overlay (page 85).
1. From the Home screen, select
Radar.
2. Select
Cruising, Harbor, Offshore, Dual Range, or Sentry mode.
3. Complete an action:
Select Menu > Noise Rejection > FTC for Cruising, Harbor, Offshore, or Sentry mode.
Congure the setting for both screens in Dual Range mode. Select > Menu > Noise
Rejection > FTC for the GPSMAP 6000 series. Select Left > Noise Rejection > FTC for the
GPSMAP 7000 series.
4. Complete an action:
Select High, Medium, or Low to decrease or increase the appearance of rain clutter, if using
a GMR
20, 21, 40, 41, 18, 18 HD, 24, 24 HD, 404, or 406 radar. Other targets should remain
clearly visible on the Radar screen.
Select Up or Down to decrease or increase the appearance of rain clutter, if using a GMR 604
xHD, 606 xHD, 1204 xHD, or 1206 xHD radar. Other targets should remain clearly visible on
the Radar screen. If the FTC setting is greater than 50%, consider reducing the radar range.
5. Complete an action:
Select Menu > Noise Rejection > Rain Clutter for Cruising, Harbor, Offshore, or Sentry
mode.
Congure the setting for the short-range screen in Dual Range mode. Select > Menu >
Noise Rejection > Rain Clutter for the GPSMAP 6000 series. Select Left > Noise Rejection
> Rain Clutter for the GPSMAP 7000 series.
Congure the setting for the long-range screen in Dual Range mode. Select > Menu
> Noise Rejection > Rain Clutter for the GPSMAP 6000 series. Select Right > Noise
Rejection > Rain Clutter for the GPSMAP 7000 series.
6. Select
Up or Down to decrease or increase the appearance of nearby rain clutter until other
targets are clearly visible on the Radar screen.
Clutter caused by rain may still be visible.
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