International comfort products TSTAT0712 Owner's Manual page 19

OWNER'S MANUAL
Battery Replacement
REPLACE WITH ALKALINE BATTERIES AT LEAST ONCE
EVERY YEAR, OR WHEN THE "LOW BATTERY"
APPEARS (pages 3,18).
POSITION BATTERIES AS SHOWN
USE "AA" SIZE
ALKALINE BATTERIES
IF THE THERMOSTAT IS CONNECTED TO 24V POWER,
THE BATTERIES MAY STILL BE INSTALLED. INSTALLING
THE BATTERIES WHEN SYSTEM POWERED (24VAC) WILL
KEEP THE CLOCK RUNNING IN THE EVENT OF LINE POWER
INTERRUPTION.
MODEL TSTAT0712
USE "AA" SIZE
ALKALINE BATTERIES
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