Carrier Debonair 2 Owner's Manual page 13

Advanced Setup
Adjust the deadband
for the 1st stage
(1˚- 6˚)
See page 17
Step #7 will not appear if step #4 = 1 or 2.
Adjust the minimum difference
between cooling & heating setpoints.
(0˚ - 6˚)
On
Select backlight operation:
On - Light continuously
Off - Light for 8 seconds
Off
C
Select thermostat
operation in degrees
Fahrenheit or Celsius.
F
after a button press
12
Setup
MODE
Setup
COOL
HEAT
MODE
Setup
OFF
MODE
MODE
Continued
Press
Press
Press
Press