Garmin gpsmap 740s Manuale Utente

Radar 

You can adjust the appearance of clutter caused by choppy sea conditions. The sea clutter setting affects the 

appearance of nearby clutter and targets more than it affects the appearance of distant clutter and targets. A 

higher sea clutter setting reduces the appearance of clutter caused by nearby waves, but it can also reduce or 

eliminate the appearance of nearby targets. 
NoTe: Depending upon the radar in use, the sea clutter setting configured for use in one radar mode may or 

). 

1.  From the Home screen, select Radar.
2.  Select Cruising, Harbor, offshore, or Sentry mode.
3.  Select Menu > Noise Rejection > Sea Clutter > Presets.
4.  Select a setting that reflects present sea conditions: Rough, Medium, or Calm.
5.  Select Menu > Noise Rejection > Sea Clutter.
6.  Select Up or Down to decrease or increase the appearance of sea clutter until other targets are clearly 

visible on the Radar screen.
Clutter caused by sea conditions may still be visible.

NoTe: Depending upon the radar in use, the FTC setting configured for use in one radar mode may or may 

not be applied to other radar modes or to the Radar Overlay (

1.  From the Home screen, select Radar.
2.  Select Harbor, offshore, or Sentry mode.
3.  Select Menu > Noise Rejection > FTC > off.

NoTe: Depending upon the radar in use, the rain clutter setting configured for use in one radar mode may or 

). 

1.  From the Home screen, select Radar.
2.  Select Cruising, Harbor, offshore, or Sentry mode.
3.  Select Menu > Noise Rejection > Rain Clutter > off.

You can adjust the appearance of clutter caused by rain. Reducing the radar range also can minimize rain 

clutter (

FTC

This setting affects the appearance of large, hazy masses of clutter caused by rain at any 

distance.

Rain Clutter This setting affects the appearance of nearby rain clutter and targets more than it affects 

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 configured for use in one radar 

). 

1.  From the Home screen, select Radar.
2.  Select Cruising, Harbor, offshore, or Sentry mode.
3.  Select Menu > Noise Rejection > FTC.