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ADVANCED PROGRAMMING OPTIONS
Turning off the continuous backlighting
If your thermostat is not powered by the equipment and is instead battery powered,
the display will light up for a few seconds after you press any button. This is
backlighting. It will go dark after a few seconds.
If the thermostat is powered by electricity, there is always a low level amount of
backlighting until you press any button, which increases the lighting temporarily.
Here's how to turn off the constant low level backlight when your thermostat is
powered by electricity.
1. Open the door.
2. Press and hold the home and sleep buttons under the dis-
play simultaneously for about three seconds.
3. Press the up button at the top right of the display. You
will see U2 and On. (If you don't, continue to press the
up button, cycling through the options until you get to
U2 and On.)
4. Press the mode button on the left to change it to Of.
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