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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.)