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.

and DOWN

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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