Honeywell TH8320WF User Manual page 13

System setup
How do I change time and date settings? (See page 9 for instructions.)
Function
0280
Backlight
0320
Temperature
Format (°F/°C)
0330
Automatic Daylight
Saving Time
Adjustment
Settings & Options
0 Backlight off, then on for approximately 8 seconds after keypress.
1 Backlight always on low intensity, full bright after keypress.
0 Fahrenheit
1 Celsius
0 Off
1 On
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