04 Series for CO(-H2)
Chapter 5: User Mode and Calibration • 39
3. Install the calibration cup onto the CO-04C. Be sure the calibration cup is installed in the
correct direction and that it is pushed on all the way.
4. Use the tubing to connect the regulator to the inlet of the calibration cup (labeled “IN”).
5. While in User Mode, press AIR to scroll to
BUMP
.
6. Press and release POWER MODE. The display shows the gas assigned to Cylinder A and
its assigned calibration value (see pg.49 if the calibration value does not match the
calibration gas cylinder’s concentration). The bottom of the screen alternates between
“CYL A” and “BUMP”.
7. If necessary, use AIR to scroll to the Bump screen for the gas you want to bump test. As
shipped from the factory, CO is assigned to Cylinder A and H
2
is assigned to Cylinder B.
The H
2
response does not need to be bump tested.
8. Turn the regulator knob counterclockwise to open the regulator.
9. Press and release POWER MODE.
10. The gas reading flashes, the bottom of the screen alternates between “APLY” and
“BUMP”, and the bottom of the screen counts down from the time set in
BUMP.SET\SETTING\GAS.TIME
.
To back out of the gas application screen without performing the bump test, press and
release AIR and POWER MODE together.
POW ER
MODE
AIR
Front View
Side View
BUMP
CO
50
BUMP
ppm
CO
50
CYL A
ppm
CO
0
BUMP 30
ppm
CO
0
APLY 30
ppm