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The Backlight menu with backlight turned on.
Display
The lights will flash for about 10 seconds when the unit is turned on.
The backlight menu will appear on the screen. Use the
ARROW keys to
turn the backlight on or off. Press
PWR to clear the menu from the
screen.
The unit will show the Full Chart Page or mode. The Fish I.D. fish
symbol feature is on. The depth range is displayed as the upper and
lower limit on the left side of the screen. In the following figure, the
screen shows a depth range from 0 to 80 feet and the bottom depth is
36.9 feet, shown by the digital sonar. The water temperature is 34.5° F.