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Sonar Page menu with ColorLine command selected (left).
The ColorLine control bar (right).
Colorline
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
MENU|↓ to COLORLINE|ENT.
2. The Colorline Control Bar appears. Press ↓ to decrease Colorline;
press ↑ to increase Colorline.
3. When it's set at the desired level, press
EXIT.