54 • Chapter 5: User Mode and Calibration
GasWatch 3 for CO and O
2
Setting the Calibration Values in CAL--P
1. While in User Mode, press AIR to scroll to
GAS CAL
.
2. Press and release POWER/MODE. The
AIR
item appears.
3. Use AIR to scroll to the
A-CAL
item (
E-CAL
if
E-CAL
in User Mode is set to
ON
).
4. Press and release POWER/MODE. The Auto Cal screen for the gases assigned to Cylinder
A displays.
5. Use AIR to scroll to
CAL--P
.
6. Press and release POWER/MODE. The CO channel displays.
GAS CAL
A-CAL
CYL A
0.0
%
50
ppm
A-CAL
0.0
%
50
ppm
CAL--P
CAL--P
CO
ppm