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T8131C Programming Guide
NOTE:
Batteries are required only for armchair programming, and to retain your personal tem-
perature schedule in memory if ac power is lost. When replacing batteries, set the system
switch to OFF. Remove the battery door (on the thermostat left side) using a coin at the
bottom. Follow instructions in Installing Batteries section.
Set Current Time/Day
To set time, press and release
once, and press
until current time shows; to set
day, press and release again, and press until current day shows; then press .
Heating Program
With system switch at HEAT, press and release once. WAKE, MON-FRI and SET appear
on display.
Ahead
Back
Set
Clock/Day
Set
Clock/Day
Ahead
Back
Weekday
Schedule
Run
Program