Appendix; Replacing The Dust Filter - Optoma HD151X User Manual

Appendix

Replacing the Dust Filter

Be sure to follow the steps to replace the dust filter.
The dust filter should be cleaned or replaced periodically (suggest
after every 500 hours or 3 months of use). If it is not cleaned
periodically, it can become clogged with dust and prevent the
projector from being ventilated properly. This can cause over
heating and damage the projector. If the projector is used in a dusty
environment, be sure to cleaned or replaced the dust filter more
frequently.
1. Remove the dust filter, located at the rear side of the projector, by pulling
it out as the illustration.
2. Clean the dust filter.
To clean the dust filter, you are advised to use a small vacuum
cleaner designed for computers and other office equipment.
If the dust filter is torn, replace it.
3. Turn on the projector, then press "Menu", go to
OPTIONS > Optional Filter > Optional Filter Installed and
select "Yes".
4. Turn on the projector, then press "Menu", go to OPTIONS > Optional
Filter > Optional Filter Installed and select "No" when you pull out the
dust filter and would not use it again.
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dust filter