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By using the pre-programmed settings, this thermostat can save you money by optimizing energy usage in heating and cooling. After setting the time and temperature scale, no additional action is needed to utilize the pre- programmed settings. Refer to the Default Programs Chart for detailed information about the pre-programmed settings. 34 AMPMprogramhold/returnsystemoffheatcool AMPMprogramhold/returnsystemoffheatcool METhoDS of opEraTion, ConT. 3. CrEaTing CuSToM prograMS • Program times can be