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V2.0
currently selected option will have a blinking underscore beneath it and using the
UP
and
DOWN
buttons will change the option from
ON
to
OFF
or vice versa. To cancel entering the
parameter press the
BACK
button, or to validate the changes you have made press the
ENTER
button. When completed press the
BACK
button to exit the backlight setting screen
Contrast
This options allows the user to set the contrast of the LCD. To modify the LCD contrast go
into the contrast setting screen and press the
ENTER
button. The currently selected option
will have a blinking underscore beneath it and using the
UP
and
DOWN
buttons will change
the option between 1 and 9. To cancel entering the parameter press the
BACK
button, or to
validate the changes you have made press the
ENTER
button. When completed press the
BACK
button to exit the contrast setting screen.
Factory Settings
This screen is reserved for Hal Technology factory and service technicians.
Always run the meter under clean environment to clear down to near 0.00 ppm after each
exposure before turning off the meter. The procedure will help to prolong the lifetime or
service cycle of the sensor.
