Appendices
Installing and Cleaning the Optional
Dust Filter
We recommend you clean the dust lter every 500 hours of
operation, or more often if you are using the projector in a
dusty environment.
When the warning message appears on the screen, do the
following to clean the air lter:
The optional dust
lter should be
used in dusty
environments.
If the dust lter is
installed, a proper
maintenance will
prevent overheat-
ing and projector
malfunction.
The dust lter is
optional.
The specic inter-
faces are selected
in terms of the
specications of
types.
Air Filter Cleaning Procedure:
1. Switch off the power to the projector by pressing the “ ” button.
2. Disconnect the power cord.
3. Pull out the dust lter, as shown in the illustration. 1
4. Carefully remove the dust lter. Then clean or change the lter. 2
To install the lter, reverse the previous steps.
5. Turn on the projector and reset the lter usage counter after the dust lter is
replaced.
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