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Grayline is adjustable. Experiment with your unit to find the Grayline
setting that's best for you.
To adjust the Grayline level:
1. From the Sonar Page, press
MENU
|↓ to
G
RAYLINE
|
ENT
.
2. The Grayline Control Bar appears. Press ↓ to decrease Grayline;
press ↑ to increase Grayline.
3. When it's set at the desired level, press
EXIT
.
Muddy
bottom
Fish near
structure
Hard
bottom
Hard
structure
Grayline
Grayline
Fig. 2A
Fig. 2B
Fig. 1A
Fig. 1B