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Display Contrast
The unit’s display contrast is adjustable to suit different lighting condi-
tions. This will help you see the screen from different angles or at vari-
ous times of the day. The default setting is 50 percent.
To adjust the contrast, press
MENU DOWN until the SYSTEM menu ap-
pears, press
UP ARROW, and the CONTRAST menu appears. To decrease
screen contrast, press the
DOWN ARROW key. Press the UP ARROW key
to increase screen contrast. The bar graph in the Contrast menu box
shows a graph of the contrast. The screen will also show the effects of
the change. If you reach the maximum or minimum level, a tone sounds
alerting you to the limits. Press the
PWR key to clear the menu.
Display Contrast menu.
Depth Units of Measure
This unit can show the depth in feet, fathoms or meters.
To change the depth units of measure, press
MENU DOWN until the
SYSTEM menu appears, press UP ARROW, then press MENU until the
DEPTH menu appears. Use the arrow keys to select the desired unit of
measure, then press the
PWR key to clear the menu.