8
7. MEASUREMENT PREPARATION
(1)
Load Battery
Unscrew the big screw on the back of the unit and remove the
carrying clip. Insert four AAA-size alkaline batteries.
Note: Make sure the battery polarity is installed as indicated.
(2)
Battery replacement
When the batteries is down, a low battery mark flash in
the display. Batteries should be replaced with new ones.
(3)
The battery symbol shows the remaining capacity the
battery by the number of segments. The relative of the
remaining capacity and the number of segments are show as
below.
Four segments --- over 84% capacity remaining
Three segments --- over 66% capacity remaining
Two segments --- over 25% capacity remaining
One segments --- over 11% capacity remaining
Empty
battery --- Instrument specification not
guaranteed.
8. OPERATING INSTRUCTIONS
Power the instrument on by pressing the
key.
When you switch on this instrument, you will see all of the
annunciator, DOSE sign and the set Criterion level ( ),
Threshold level (
), Exchange rate (
) information.
