3M 22 Operation Manual - page 7
of
8
NOTE: Your thermostat comes from the factory calibrated to + or - 1
o
F actual
temperature. It is an accurate instrument. If you want your thermostat to
display the same temperature as another thermometer in your home, you can
adjust its calibration.
To change the calibration:
Mode switch of the unit must be in the HEAT or COOL position.
Press the