64 • Calibration Mode GX-2012 Operator’s Manual
1. While in the calibration menu, use the AIRS or (SHIFT)T button to
navigate to the ONE CAL menu option.
2. Press and release the POWER ENTER button to display the single
calibration menu. The %LEL sensor will be displayed first.
3. Use the AIRS or (SHIFT)T button to display the sensor you want to
calibrate (in this example the combustible gas % LEL sensor). If you
have a 5 sensor unit, the %vol sensor will be one of the choices. It is
shown below.
4. Press and release the POWER ENTER button. The single calibration
screen displays for the sensor you selected. The gas reading flashes.
- - -
%LEL
MAINTENANCE
CH4
ONE CAL
- - -
vol%
MAINTENANCE
CH4
ONE CAL
0
%LEL
MAINTENANCE
CH4
ONE CAL
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