Lowrance lmf-400 ユーザーズマニュアル

17 

Backlight Sync (BLight Sync) 
By turning on the Backlight Sync function, all the backlight levels for 

components on the LowranceNet may be controlled by any of the 

gauges or head units in the network. If you adjust the backlight on one 

of the gauges or display units, the backlight levels from the other 

gauges and display units will be changed, too. Backlight Sync will be on 

by default. 
To set Backlight Sync: 
1. Press 

, use the 

 and 

 keys to select 

 and press 

.  

2. Highlight 

 and press 

. The Backlight menu will 

appear with two options: BLight Sync (Backlight Sync) and Adjust.  
3. Highlight 

 and press 

, which will open the BLight 

Sync menu with two options: On and Off. Turning on Backlight Sync 

will cause the backlight level for all gauges on the LowranceNet to be 

synchronized with the backlight level on your LMF-400.   
4. Select the desired option (

 or 

) and press 

 to be directed 

to the main display. 
Contrast 

The Contrast feature allows you to darken or lighten the display 

screen. If you have more than one gauge, each gauge's contrast is 

adjusted individually. Contrast is not synchronized over the network. 
To adjust Contrast: 
1. Press 

, use the 

 and 

 keys to select 

 and press 

. Select 

 from the Screen menu and press 

, which 

will launch the Contrast Adjustment vertical scrollbar.  
2. Use the 

 and 

 keys to move the bar to a desired level.  

3. Press 

 to return to the Screen menu or press 

 to return to 

the main display.