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Your thermostat comes with an electrolumi-
nescent lamp for easy viewing of the display
in the dark. To activate press the “light”
button between the up and down arrow keys.
The display will remain backlit for
approximately five (5) seconds. If another
button is pushed, the five second timer will
reset, and the light will turn off five seconds
after the last button is pressed.
Backlighting (Model 44250 only)
LIGHT
Other Features
28-29
Your thermostat is pre-programmed at the
factory to cycle when the temperature rises
1° above or 1° below the temperature
setting to provide maximum comfort. It
cannot be changed.
Temperature Span