Cleaning The Air Filter - Ask Proxima US1275 User Manual

Maintenance and cleaning

Cleaning the air filter

The air filter prevents dust from accumulating on the surface of the optical elements inside
the projector. Should the air filter become clogged with dust particles, it will reduce cooling
fans' effectiveness and may result in a buildup of internal heat and adversely affect the life of
the projector. If the Filter warning icon appears on the screen, the air filter should be cleaned
immediately. Clean the air filter following the steps below.
1 Turn off the projector, and unplug the AC
power cord from the AC outlet.
2 Remove the air filter.
3 Gently clean the filter with a brush.
4 Reinstall the filter into the projector properly.
Caution
Do not operate the projector with
the air filter removed. Dust may
accumulate on the optical elements,
degrading picture quality.
Do not put any small objects into the
air intake vents. Otherwise, it may
result in malfunction of the projector.
Resetting the filter counter
Be sure to reset the filter counter after cleaning
or replacing the filter.
1. Press Menu on the remote control to display
the on screen menu. Press  to select the
icon for the setting menu. Then press  or
press OK.
2. Press  to select Filter counter, and then
press  or press Select. Press  to select
Reset Filter, then press OK. At the time, you
will see the prompt information "Reset the
filter counter ?" displayed on the screen.
Select Yes.
3. When another dialog box pops up, you
should select Yes and reset the filter.
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Recommendation
We recommend avoiding dusty/smoky
environments when you operate the projector.
Usage in these environments may cause poor
image quality.
When you use the projector under dusty or
smoky conditions, dust may accumulate on the
lens, LCD panels, or optical elements inside the
projector. When the symptoms above are
noticed, contact your authorized dealer or
service station for proper cleaning.
Air filter