3M 8749 Projector User Manual


 
32
THE AIR FILTER
Caring for the air filter
The air filter should be cleaned about every 100 hours. If the LAMP indicator and
TEMP indicator blink red simultaneously, or a message prompts you to clean the air
filter when you turn on the unit, the filter needs to be cleaned. (See "Related
Messages" ( ) and "Regarding the Indicator Lamps" ( ) for details.)
1
Turn off the projector, and unplug the power cord
2
Apply a vacuum cleaner to
the top of the air filter cover
to clean the air filter
3
Turn on the projector, and use the menu to reset the filter
timer
To reset the air filter timer, from the OPTION menu, select FILTER TIME.
Filter Cover