Lowrance 4000m 操作指南

86

Require DGPS command on the GPS Setup Menu.

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.

To adjust the screen's display mode:

Press 

↓ to 

|

|press 

↑ or ↓ to select mode|

.