189 • Appendix C: Gas Select Mode GX-3R Pro Operator’s Manual
Changing the Gas Combination (GAS COMBO)
The GAS COMBO menu item allows you to turn channels on and off and change each channel’s
target gas.
If you want the combustible gas channel to be calibrated to a specific target gas, select that target
gas here and then calibrate to it in User Mode (see page 75).
1. While in Gas Select Mode, use AIR to place the cursor next to GAS COMBO.
2. Press and release POWER MODE. The first channel appears.
MAINTE 7:49
GAS COMBO
SAVE ALARM--P
DISP MAX SPAN
GAS SELECT MODE
MAINTE 7:49
- - - -
CH4 %LEL
GAS COMBO
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