NEC PA803U - 8. Appendix; Lens Shifting Range Explained

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7. Maintenance
Thissectiondescribesthesimplemaintenanceproceduresyoushouldfollowtocleanthelters,thelens,thecabinet,
andtoreplacethelampandthelters.
❶ Cleaning the Filters
Thelterattheintakeventkeepsdustanddirtfromgettinginsidetheprojector.Ifthelterisdirtyorclogged,your
projector may overheat.
WARNING
• Pleasedonotuseaspraycontainingammablegastoremovedustattachedtothelters,etc.Doingsomay
resultinres.
NOTE:Themessageforltercleaningwillbedisplayedforoneminuteaftertheprojectoristurnedonoroff.Whenthemessageis
displayed,cleanthelters.Thetimetocleantheltersissetto[OFF]attimeofshipment.(→ page 112)
To cancel the message, press any button on the projector cabinet or the remote control.
Tocleanthelter,detachthelterunitandtheltercover.
CAUTION
• Beforecleaningthelters,turnofftheprojector,disconnectthepowercordandthenallowthecabinettocool.
Failuretodosocanresultinelectricshockorburninjuries.
1. Press down two buttons and then pull the filter cover to-
wards you to open it.
Filter cover Button
2. Pickthecenterofthefilterunitforpullingitout.
Filter unit