If you have two signals of equal size, one with a 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 ColorLine setting that's best for you.
Sonar Page menu with ColorLine command selected (left);.
The ColorLine control bar (right).
To adjust the ColorLine level:
1.From the Sonar Page, press MENU↓ to COLORLINEENT.
2.The ColorLine Control Bar appears. Press ↓ to decrease ColorLine or ↑ to increase Colorline.
3.When it's set at the desired level, press EXIT.
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