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The word BATTERY flashes on the display
when the "AA" alkaline batteries are weak and
should be replaced. The word BATTERY is
displayed continuously (non-flashing) when
thermostat is running on battery power only.
FAN 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).
The Display
Continuously displays system mode (HEAT,
OFF, COOL, AUTO, HOLD). During pro-
gramming, the day of the week is displayed
(MON, TUE, WED, etc.).
Alternately displays room temperature (F de-
notes degrees Fahrenheit and C denotes de-
grees Celsius) and time of day (A denotes AM
time and P denotes PM time).
Displays the setpoint temperature.
In VIEW TEMP mode, A, B, C, and D are the
1st, 2nd, 3rd, and 4th heating or cooling tem-
peratures available for programming.
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