Hunter Set & Save 44155c Installation And Operation Manual page 39

1. INDIGLO
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 flash after 400
hours of system use as a reminder to check
or change your filter. Press and hold the
button for 3 seconds after changing the filter
to reset the filter timer.
(Pressing the Filter button for less than 3 seconds will
cause the Filter change indicator icon to appear. The
filter timer will not be affected unless the button is held
for more than 3 seconds.)
®
Night-Light - will backlight the
39
Filter