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icons and features
1. INDIGLO
®
night-light - will backlight the display for easy viewing
in the dark. Press any button to illuminate the light.
(If no button is pressed after 5 seconds, the backlight will turn off.)
Note: If the thermostat shows a Low Battery Warning, the backlight
will not operate. Follow the instructions on pages 42-43 to change
batteries.
2. Filter change indicator - will ash after 400 hours of system use
as a reminder to check or change your lter. Press and hold the
FilTER
button for 3 seconds after changing the lter to reset the
lter timer.
(Pressing the Filter button for less than 3 seconds will cause the Filter
change indicator icon to appear. The lter timer will not be affected
unless the button is held for more than 3 seconds.)
Note: Clearing the Filter counter will also clear the Energy counter.
See pages 50-51 for more information.