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When the thermostat displays
OR
you need to replace batteries with 2 new AA alkaline batteries.
Default setting
– no temperature adjustment
4.5 Change batteries
Your thermostat was accurately calibrated at the factory. However,
if you would like the displayed temperature to read higher or lower than
the actual temperature, you can adjust the displayed temperature
by +/- 4 degrees.
To adjust the actual temperature display:
1. Press the PRGM button and RUN buttons simultaneously.
2. Press the HOLD button to advance through the options until
you reach a screen where “HI” or “LO” is displayed.
3. Use the
buttons to adjust the actual temperature; from 4:HI
to 4:LO.
4. Press RUN.
4.6 Adjust actual temperature display