Honeywell RTH8580WF Thermostat User Manual


 
69-2715ES—01 56
System setup
Function Settings & Options
0280
Backlight
0 Backlight off, then on for approximately 8 seconds after keypress.
1 Backlight always on low intensity, full bright after keypress.
0300
Manual/Auto
Changeover
See page 50 for
more information.
0 Manual changeover (Heat/Cool/Off).
1 Automatic changeover (Heat/Cool/Auto/Off). Automatically turns on Heat
or Cool based on room temperature. Note: System maintains minimum
3°F difference between heat and cool settings.
0320
Temperature
Format (°F/°C)
0 Fahrenheit
1 Celsius
0330
Automatic Daylight
Saving Time
Adjustment
0 Off
1 On
What other functions can I change? (See page 51 for instructions.)