Garmin GMR 404 User's Manual | Page 10

Garmin Radar Detector User's Manual - GMR 404.
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GMR 404/406 Owner’s Manual

bAsIc oPerAtIon > rAdAr PAge
Using the Radar Adjustment Menu

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.

To select an adjustment option from the Radar Page

1. Press

ADJ/MENUtoopentheRadaradjustmentmenu.

2.  Press up or down on the 

ROCKERtohighlighttheoptionyou

want to change, and then press 

ENTER.

To change a Radar adjustment menu setting:

1. Selectanadjustmentmenuoptionusingthemethoddescribed

previously.

2.  Press up or down on the 

ROCKERtochangethesetting,

range,orpercentage.

3. Press

ENTERtoacceptthechange,orpressQUITtoclose

theRadaradjustmentmenu.

Gain

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

Sea Clutter controls unwanted screen clutter caused by choppy sea 

conditions. The slider has three preset positions: CalmModerate

and Rough.

Rain Clutter

Rain Clutter controls unwanted screen clutter caused by rain at close 

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

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