is usually adequate for most conditions. Experiment with your unit to find the Grayline setting that's best for you.

To change the Grayline level, repeatedly press MENU until the GRAYLINE scroll bar appears.

Thin or no

Grayline

 

 

Wider

 

 

Grayline

 

 

 

 

 

A small amount of Grayline indicates a soft bottom (left), probably sand or mud. More Grayline indicates a harder, rocky bottom (right).

Press to increase Grayline, to decrease it. Echoes scrolling on the screen will show the effects of the Grayline adjustment.

If you reach the maximum or minimum level, a tone sounds alerting you to the limits. Press PWR to clear the menu.

Chart Speed

The speed at which echoes scroll across the screen is called the chart speed. The default for this unit is "max" (100 percent). We recommend you leave the scroll speed setting there for most all fishing conditions.

Chart Speed scroll bar.

You, however, might consider experimenting with chart speed when you are stationary or drifting very slowly. Sometimes, you may achieve

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