BenQ W20000 User Manual download pdf (Page 42)

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To clean the filter

1. Shut down the projector if turned on and wait

until the fans stop running.

2. Release the bottom edge of the filter cover (right

side of projector) by gently pulling the tabs on the

lower ends of the panel (as illustrated).

5. Use a small vacuum cleaner (designed for

computers and other office equipment) or use a

soft brush (such as a clean artist’s paintbrush) to

vacuum or sweep the dust away.

• If the dirt is difficult to remove or the filter is

broken, you should replace it.

6. Re-install the filter grill and cover securely.

3. Remove the filter cover by gently lifting the

loosened cover vertically upwards and then away

from the projector body.

7. Reapply power and turn the projector on.

• If the filter grill is not correctly seated in place,

you will be reminded by messages displayed on

the screen until ENTER is pressed on the

highlight of OK.

• The projector will automatically shut down

within minutes if there has been no further

action taken. Re-install the filter and cover

securely, then turn on the power again.

Resetting the filter timer

Do not reset the filter timer if the filter has not

been replaced.

1. After the startup logo, press MENU and then

press / until the Advanced Setup menu is

highlighted.

2. Press to highlight Dust Filter and press ENTER.

The Dust Filter page displays.

3. Highlight Reset Dust Filter Timer and press

ENTER. A warning message displays asking if you

want to reset the lamp timer. Highlight Reset and

press ENTER. The filter time will be reset to '0'.

Do not reset if the filter is not new or replaced

as this could cause damage.

4. Remove the dust filter grill by pulling the tab

outwards and away from the projector.

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BenQ W20000 User Manual Page 42

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