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setting. When the number reaches the desired setting, press
clear the menu. When the bottom depth goes deeper than the alarm's
setting, an alarm tone sounds and a message box appears on the
screen.
Press
to silence the alarm. This turns the alarm sound off until
PWR
the deep alarm is triggered again.
To turn the alarm off, press
appears. Press
press
to clear the menu.
PWR
DISPLAY ADJUSTMENTS
BACKLIGHTS
The display is backlit for night use. To turn the backlight on
or off, press
appears. Press
ARROW
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. The default
setting is min (minimum) percent.
To adjust the contrast, press
menu appears. To decrease screen contrast, press the
C
ONTRAST
key. Press the
ARROW
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
DOWN ARROW
MENU
UP ARROW
to turn it off.
UP ARROW
key to clear the menu.
MENU DOWN
until the words
repeatedly until the
to turn the light on or the
MENU DOWN
key to increase screen contrast. The
47
repeatedly until
O
F
FF
EET
B
ACK
until the
to
PWR
D
A
EEP
LARM
appear, then
menu
L
IGHT
DOWN
D
ISPLAY
DOWN
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