- 44 -
9
To adjust the auto cal
value:
a. Press and hold the
MODE
button then
press and hold the
POWER
button. The
auto cal value will
begin to flash.
b. Use the
AIR
and
MODE
buttons to
adjust the value.
c. Press the
POWER
button to confirm the
change.
10 Press and release the
POWER button. The gas
reading will begin to
flash.
11 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.
12 Press and release the
POWER button. The
instrument will perform
a gas adjustment and
will return to the AUTO
CAL menu item.
13 Disconnect the
calibration gas source
from the instrument’s
inlet fitting.