Lowrance 4800m 操作ガイド

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3. You can return to this command and press 

 again to turn the fea-

ture off.

   

GPS Setup command, left; Require DGPS

command on the GPS Setup Menu, right.

Screen Contrast and Brightness

To access the Screen menu, press 

|

|

.

To adjust the display's contrast:

The 

 slider bar is already selected. Press 

→ or ← to move the

bar. The left end of the scale is minimum contrast; the right end is
maximum contrast.

   

Screen Command, left, and Screen Menu with Contrast bar selected, right.

To adjust the display's brightness:

Press 

↓ to 

. Press 

→ or ← to move the bar. The left end of the

scale is minimum contrast; the right end is maximum contrast.