19PROGRAMMING THE THERMOSTAT7. Press the up or down button until you reach the desiredtemperature setting.8. Press and hold the sleep button for about three seconds.The set temperature will flash, indicating that it saved yoursettings.9. Close the door.Changing the temperature time periodsAfter you have set your three Touch ‘N’ Go buttons with temperature settings forwhen you’re away, home and asleep, you can program the time of day you want touse for those temperature settings.The thermostat has four time ranges called periods. They are identified on thedisplay as P1, P2, P3 and P4.With four time period options, you have a great deal of schedule and temperatureflexibility. For example, in a household where nobody is home during the day, theusers might use P1 for the morning before they leave for work, P2 for the hoursthey are at work, P3 for the period when they are home in the evening, and P4 whenthey are sleeping.In situations where somebody is home most of the day, P1, P2 and P3 can all beassigned the same “home” temperatures, while P4 is reserved for the sleepinghours. (To learn how to reduce the number of time periods from four to two, seepage 22.)