Use the CRH command for one-point or two-point serial line relative humidity calibration and adjustment. CRH changes the user adjustment parameters of relative humidity.
The CRH command can only be used in the adjustment mode.
Example of two-point
adjustment:
>crh
RH : 16.6675 1. ref ?
RH : 16.4978 1. ref ?
RH : 16.3956 1. ref ? 11.25
Press any key when ready ...
RH : 11.25 Ref2 ?
RH : 75.45 Ref2 ?
RH : 75.57 Ref2 ?
RH : 75.55 Ref2 ?
RH : 75.59 Ref2 ? 75.5
OKOK indicates that the adjustment has succeeded and the new calibration coefficients are calculated and stored.