21
Figure 23. Air pump advanced settings (a
–
b).
9.2.1.2
Calibrations
Press on Calibration icon
to enter in the Calibration Menu, as shown in Figure 24.
Figure 24. How to reach the Sensor Calibration Submenu.
9.2.1.2.1
Offset (with exthernal meter)
Press on Offset icon
to calibrate the instrument by using an external CO
2
meter (NOT hereby
provided).
Figure 25. How to enter a gas offset calibration.
To run the gas sensor calibration through an external gas meter follow the indications below:
1.
Disconnect the blue tubing inserted into the
“Gas Output”
port. Remove it by keeping the rubber
ring of this connector pushed in; you should feel no resistance in pulling this tubing out. If you
do make sure you are properly pushing in the rubber ring.
