Optoma DS349 - Manual (Page 45)

English 45
maInTEnanCE
Installing and cleaning the dust filter
Installing the dust filter
Dust filters are only required/supplied in the selected regions with excessive dust. notee:
Cleaning the dust filter
We recommend you to clean the dust filter every three months. Clean it more often if the projector is used in a
dusty environment.
Procedure:
Switch off the power to the projector by pressing 1. the " " button on the remote control or the projector
keypad.
Disconnect the power cord.
2.
Remove the dust filter carefully 3. . 1
Clean or replace the dust filter 4. . 2
To install the dust filter, reverse the previous steps. 5.
1
2