60 • Chapter 5: User Mode and Calibration GX-3R Operator’s Manual
14 . Press AIR to scroll to ESCAPE.
15 . Press and release POWER MODE. The instrument returns to the AUTO CAL menu
item in the GAS CAL Menu.
16 . See “Exiting the GAS CAL Menu” on page 62 to return to User Mode.
Making Cylinder Selections in CYL SEL
The CYL SEL menu item allows you to group channels together for calibration. As shipped
from the factory, the standard 4 channels (combustible gas, O
2
, H
2
S, and CO) are assigned to
Cylinder A. As shipped from the factory, the H
2
response for the H
2
-compensated CO sensor
is assigned to Cylinder D. There are 5 cylinder assignments available: A, B, C, D, and E. To
calibrate each channel separately, assign each channel to a different cylinder (ie. Cylinder A:
combustible gas, Cylinder B: O
2
, Cylinder C: H
2
S, Cylinder D: CO).
1 . While in User Mode, press AIR to scroll to GAS CAL.
2 . Press and release POWER MODE. The AIR CAL menu item appears.
3 . Use AIR to scroll to the AUTO CAL menu item.
4 . Press and release POWER MODE. The Auto Cal screen for gases assigned to Cylinder
A displays.
5 . Use AIR to scroll to CYL SEL.
6 . Press and release POWER MODE. The combustible gas channel displays.
CYL SEL
M 7:49
- - -
CH4 %LEL
To Next Page
Loading...
