Installing the battery, Features of your new thermostat – Honeywell MAGIC STAT CT3100 User Manual
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INSTALLING THE BATTERY
A 9 V alkaline battery (purchase separately) must
be installed to save the program in case of a power
outage, and if programming the thermostat before
installing it.
For best results, replace the battery once every
three years to prevent loss of program.
FEATURES OF YOUR NEW THERMOSTAT
LCD DISPLAY—During operation, shows
room temperature and programmed tem
perature range continuously, or acts as a
digital clock. During programming, shows
the day of the week, time of day, and pro
grammed temperature range.
UP
A
and DOWN
T
BUTTONS—Lets you
change the temperature setting without
opening the cover.
LCD
DISPLAY
UPA AND
DOWN ▼
BUTTONS
Outside view of thermostat
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