Garmin gmr 20 Benutzerhandbuch

GMR 20/40 O

PERATION

 > 

T

HE

 R

ADAR

 A

DJUSTMENT

 M

ENU

1.  Press the 

ADJ key to display the Adjustment Menu.

2.  Using the 

ARROW KEYPAD or DATA ENTRY keys, select 

an option. If using the 

ARROW KEYPAD to highlight an 

option, press the 

ENTER key to display the adjustment for that 

selection.

3.  Using the 

ARROW KEYPAD, make the desired change, then 

press the 

ENTER key to accept the change.

Selecting Gain, displays the Gain Adjustment Slider. When Auto 

is selected, the Scanner Gain is automatically adjusted to provide 

optimal performance.

 

1,  Using the 

ARROW KEYPAD, move the slider up or down.

2.  Press the 

ENTER key to accept the change.

To return the Gain setting to Auto, move the slider to the Auto 

position, or press the Auto Soft Key. 

Sea Clutter is screen clutter caused by choppy sea conditions.

Adjusting the Sea Clutter setting can help eliminate the screen clutter.

Selecting Sea Clutter displays the Sea Clutter Adjustment Slider. The  

slider has three preset positions: Calm, Moderate, and Rough.