Campbell Scientific RTDAQ Software - Manual (Page 267)

Section 9. Calibration and Zeroing
After the multiplier and offset have been calculated and set, the ending screen
of the Wizard appears. You can conclude the calibration, or return to the
starting point to perform more calibrations of the same or different sensors.
9.6.3 Using the Wizard to Perform Zeroing Calibrations
In the Wizard, select Zero for the type of calibration.
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