Appendices
Installation
47
i3PROJECTOR
manual L3502W UM
Installation
Appendices
Installation
Apendices
Installing and Cleaning the
Optional Dust Filter
We recommend you clean the dust filter 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 filter:
The optional dust
filter should be
used in dusty
environments.
If the dust filter is
installed, a proper
maintenance will
prevent overheat-
ing and projector
malfunction.
The dust filter is
optional.
The specific inter-
faces are selected
in terms of the
specifications 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 filter, as shown in the illustration. 1
4. Carefully remove the dust filter. Then clean or change the filter. 2
To install the filter, reverse the previous steps.
5. Turn on the projector and reset the filter usage counter after the dust filter
is replaced.
1
1
2
2
