BenQ LX890USTD User Manual page 66

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5.
Re-install the dust filter cover using the
screwdriver and the screws removed in step
2.
Resetting the filter timer
6.
After the startup logo, open the On-Screen Display (OSD) menu. Go to
SYSTEM SETUP: Basic menu > Operation Settings and press MODE/
ENTER. The Operation Settings page appears. Highlight Reset Filter
Timer and press MODE/ENTER. A warning message is displayed asking if you
want to reset the filter timer. Highlight Reset and press MODE/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.
Maintenance
66

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