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LIGHTS
The display is backlighted for night use. To
turn the backlights on or off, press a menu key
repeatedly until the back light menu appears.
Now press the up arrow to turn the lights on or
the down arrow to turn them off. The menu will
clear automatically after a few seconds.
FEET/METER
This unit can show the depth in feet or meters
When the unit is in the metric mode, all depth
readings, ranges, zooms, and alarm settings
are in meters. When a unit is in the feet mode,
all of the above settings are in feet.
To change from feet to meters or vice-versa,
press a menu key until the FEET/METER
menu appears as shown at the bottom of the
previous page. Press the down arrow key to
switch to metric, the up arrow to switch to feet.
Displays show in feet when the unit is first
turned on. The menu will clear automatically
after a few seconds or you can press the PWR/CLEAR key to clear the
screen.
DISPLAY CONTRAST
The unit’s display contrast is adjustable to suit different lighting conditions.
This will help you see the screen from different
angles, or at various times of the day.
To adjust the contrast, press a menu key until
the DARK/LIGHT menu appears. To decrease
it, press the down arrow key. Press the up
arrow key to increase the contrast. The bar
graph in the Dark/Light 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. The menu will clear