How do I set calibration on my thermostat?

For this model, the screen must be lit for any button press to be effective

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If you wish to adjust the displayed temperature up or down, there is calibration feature in your thermostat.  Although it is factory calibrated and should not need to be changed, you can adjust it to match a different thermostat/thermometer in home. This is adjustable from the menu option #09.

TO ACCESS THE SETUP MENU: Move the System Mode switch into the OFF position, and then hold down the SET button for approximately 5 seconds until the screen changes. The menu will always start with item #01, and is advanced to each following item by a single press of the NEXT button. The options for each item are changed using the UP or DOWN buttons.

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ITEM #09 (TEMPERATURE CALIBRATION):

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[0 (zero)] (default) At zero, there are no changes made to the base room temperature measurement. The adjustment is from as low as subtracting -5F (-3C) degrees from the room temperature, to as high as adding +5F (+3C) degrees to the room temperature. The internal temperature sensor is accurately calibrated at the factory, and in most cases this setting should not need to be altered.

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