Optoma GT5500 User manual - Page 92
Installing and Cleaning the Dust Filter
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Appendices Installing and Cleaning the Dust Filter Dust filters are only required/supplied in selected regions with excessive dust. 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: 2 1 1 2 Air Filter Cleaning Procedure: 1. Switch off the power to the projector by pressing the " " button on the remote control or on the Control Panel of the projector. 2. Disconnect the power cord. 3. Pull out the latch to remove the dust filter compartment, as shown in the illustration. 1 4. Carefully remove the air filter. Then clean or replace the dust filter. 2 To install the dust filter, reverse the previous steps. 5. Turn on the projector and reset the filter usage counter after the dust filter is replaced. English 92