Garmin gmr 404 Manuale Utente

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Use the Radar adjustment menu to access the settings and features 

most commonly used on the Radar Page including: Gain, Sea Clutter, 

Rain Clutter, FTC, Zoom, Target Expansion, Trails, Guard Zone, 

VRM/EBL, MARPA, and Hide/Show Navigation Features.

1.  Press

ADJ/MENU to open the Radar adjustment menu.

2.  Press up or down on the 

ROCKER to highlight the option you

want to change, and then press 

ENTER.

1.  Select an adjustment menu option using the method described

previously.

2.  Press up or down on the 

ROCKER to change the setting,

range, or percentage.

3.  Press

ENTER to accept the change, or press QUIT to close

the Radar adjustment menu.

Gain controls the sensitivity of the Radar receiver. Auto (default) 

is the recommended setting. It automatically adjusts the gain to 

provide optimal performance. You can also set gain manually. To see 

more detail, increase the receiver sensitivity by selecting a higher 

gain. If there is too much detail, or the screen is cluttered, lower the 

sensitivity (lower the gain) to increase the clarity of the screen.

Sea Clutter controls unwanted screen clutter caused by choppy sea 

conditions. The slider has three preset positions: Calm, Moderate, 

and Rough.

Rain Clutter controls unwanted screen clutter caused by rain at close 

ranges (use the slider to select 1-100%).