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8
The buttons (other than and ) are
located behind the thermostat door. To open
the door, use your fingernail in the indentation
at the top center of the door. Pull the door out,
then swing the door down on its hinges.
Following are brief descriptions of the display
and the thermostat buttons.
The Display
1
Continuously displays system mode
(HEAT, OFF, COOL, AUTO, HOLD). Dur-
ing programming, the day of the week is
displayed (MO, TU, WE, etc).
2
Alternately displays room temperature (F
denotes degrees Fahrenheit and C de-
notes degrees Celsius) and time of day (A
denotes AM time and P denotes PM time).
3
Displays the setpoint temperature.
4
When
VIEW
TEMP
is pressed, A is displayed when
the setpoint temperature displayed (at the
far right) is the 1st programmed heating or
cooling temperature (depending on mode).
B is displayed when the 2nd programmed
heating or cooling temperature is being
displayed.
5
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). PRG FAN is displayed
when the fan has been programmed to run
continuously during the current program
period.
6
The word BATTERY flashes on the display
when the 9 volt alkaline battery power is
weak and should be replaced.