47
setting. When the number reaches the desired setting, press
PWR
to
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
PWR
to silence the alarm. This turns the alarm sound off until
the deep alarm is triggered again.
To turn the alarm off, press
MENU DOWN
repeatedly until
D
EEP
A
LARM
appears. Press
DOWN ARROW
until the words
O
FF
F
EET
appear, then
press
PWR
to clear the menu.
DISPLAY ADJUSTMENTS
BACKLIGHTS
The display is backlit for night use. To turn the backlight on
or off, press
MENU
repeatedly until the
B
ACK
L
IGHT
menu
appears. Press
UP ARROW
to turn the light on or the
DOWN
ARROW
to turn it off.
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 DOWN
until the
D
ISPLAY
C
ONTRAST
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.
Summary of Contents for Strata 128 Portable
Page 60: ...56 Notes ...