Lowrance x510c ユーザーズマニュアル

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The ColorLine control bar (right). 

 lets you distinguish between strong and weak echoes. It "paints" a 

brighter color on targets that are stronger than a preset value. This 

allows you to tell the difference between a hard and soft bottom. For 

example, a soft, muddy or weedy bottom returns a weaker signal which 

is shown with a narrow, colored line (dark blue tinged with red or a 

little yellow.) Since fish are among the weakest echoes, they show up 

mostly as blue arches. A hard bottom or other relatively hard target 

returns a strong signal which causes a wider brightly colored line (red-

dish yellow to bright yellow.) 
If you have two signals of equal size, one with red to yellow color and 

the other without, then the target with brighter color (yellow) is the 

stronger signal. This helps distinguish weeds from trees on the bottom, 

or fish from structure. 
ColorLine is adjustable. Experiment with your unit to find the Color-

Line setting that's best for you. 

To adjust the Colorline level 
1. From the Sonar Page, press 

|

↓ to 

|

. 

2. The Colorline Control Bar appears. Press 

↓ to decrease Colorline; 

press 

↑ to increase Colorline. 

3. When it's set at the desired level, press 

.