Turning On The Continuous Backlighting - Carrier Comfort TC-NHP01-A Owner's Manual

ADVANCED OPTIONS

Turning on the continuous backlighting

The thermostat display lights 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, it is possible to have a constant low level
amount of backlighting until you press any button, which increases the lighting
temporarily. Here's how to turn on the constant backlight when your thermostat is
powered by electricity.
1. Press and hold the mode button for about three seconds.
The display will show U1 and the letter F in the center.
2. Press the mode button twice. The display will show U2
and Off.
3. Press the up or down button on the right to change it
from Off to On.
4. Press the fan button on the left to exit this screen.
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