White Rodgers 1F92W-71 Operation Manual page 7

CAUTION
!
Press SYSTEM to turn thermostat OFF
HEAT-OFF-COOL-AUTO
before removing thermostat from the
wall to replace the battery.
2. You may adjust option switch #4 for auto-
matic changeover from heating to cooling
(see OPERATING FEATURES).
4-pin connector
W18
Option switches
BACK OF THERMOSTAT BODY
Battery
9-pin connector
7