8. The adjustment mode is now active, and you can see the measured CO
2
reading on the
screen. To proceed with the adjustment, press Adjust.
9. Select 1-point adjustment.
10. You will be prompted if you really want to adjust. Select Yes.
11. You are now in the 1-point adjustment screen. Allow the measurement to stabilize and
press Ready.
12. Enter the CO
2
concentration of the reference gas and press OK.
13. You will be prompted if you really want to adjust. Select Yes.
14. If the adjustment is successful, MI70 will show the text Adjustment Done, after which
you will return to the adjustment mode. At this point you can press Back and Exit to
leave the adjustment mode. The adjustment is now completed. If the adjustment
cannot be applied, MI70 will show the text Cannot adjust, possibly followed by a text
stating the reason. A possible reason for an adjustment failure is attempting to apply a
very large correction to the reading.
GMP252 User Guide M211897EN-D
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