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18 Press and release the
POWER button. The gas
reading will begin to
flash.
19 Apply calibration gas for
1 minute.
Depending on your calibration
kit, you will need to either:
a. Connect the gas bag
tubing to the
instrument’s inlet or
b. Connect the tubing
from the demand flow
regulator to the
instrument’s inlet.
20 Press and release the
POWER button. The
instrument will perform
a gas adjustment and
will return to the AUTO
CAL menu item.
21 Disconnect the
calibration gas source
from the instrument’s
inlet fitting.
22 To enter Detection
Mode, scroll to the
MEASURE menu item
and press and release
the POWER button.
To turn off the
instrument, press and
hold the POWER button.
