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The word BAT flashes on the display when
the 9V alkaline battery is weak and should
be replaced.
FAN is displayed when the blower is
operating continuously, REGARDLESS OF
HEATING OR COOLING SYSTEM CY-
CLING. FAN is displayed during auto-
matic fan operation (when the blower cycles
with the heating or cooling system).
The Display
Continuously displays system mode (HEAT,
OFF, EMER, COOL, AUTO, HOLD). Dur-
ing programming, the program period is
displayed (MOR, DAY, EVE, or NHT).
Alternately 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).
Displays the setpoint temperature.
5 DAY indicates that the displayed program
is the weekday program. 2 DAY indicates
that the displayed program is the weekend
program.
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