The Display
1 Continuously displays system mode (HEAT,
OFF, COOL, AUTO, HOLD). During pro- gramming, the day of the week is displayed (MO, TU, WE, etc).
2Alternately displays room temperature (F denotes degrees Fahrenheit and C denotes degrees Celsius) and time of day (A de- notes AM time and P denotes PM time).
3Displays the setpoint temperature.
4When VIEW TEMP button is pressed, A is displayed when the setpoint temperature displayed (at the far right) is the 1st pro- grammed heating or cooling temperature
(depending on mode). B is displayed when the 2nd programmed heating or cooling temperature is being displayed.
5FAN ON is displayed when the blower is operating continuously. FAN AUTO is dis- played during automatic fan operation (when the blower cycles with the heating or cooling system). PRG FAN is displayed when the fan has been programmed to run continu- ously during the current program period.
6The word BATTERY flashes on the display when the 9 volt alkaline battery power is weak and should be replaced.
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