Operating Manual
P/N 041-339 Rev. B 14 69-2656EFS—03
Advanced Functions
Backlight Settings
Function 0280
Press s/t to change the backlight settings:
Options: 0 Backlight ON for approx. 45 seconds after keypress
1 Backlight always on low intensity, with full brightness after keypress
Temperature format (°F/°C)
Function 0320
Press s/t to set the temperature display format:
Options: 0 Fahrenheit
1 Celsius
Furnace Filter Change Reminder
Function 0500
Press s/t to change the furnace filter change reminder:
Options: 0 Disabled
1 10 R.T. Day
2 30 R.T. Day
3 60 R.T. Day
4 90 R.T. Day
5 120 R.T. Day
6 180 R.T. Day
7 270 R.T. Day
8 365 R.T. Day
9 30 C Days
10 60 C Days
11 90 C Days
12 120 C Days
13 180 C Days
14 365 C Days