NEC PA721X - Page 195

181
7. Maintenance
Toreplacethelters:
Fourltersarepackagedwiththereplacementlamp.
Honeycomblter(coarsemesh):Largeandsmallsizes(attachedtotheoutsideofthelterunit)
Accordionlter(nemesh):Largeandsmallsizes(attachedtotheinsideofthelterunit)
NOTE:
• Replaceallfourltersatthesametime.
• Beforereplacingthelters,wipeoffdustanddirtfromtheprojectorcabinet.
• Theprojectorisprecisionequipment.Keepoutdustanddirtduringlterreplacement.
• Donotwashthelterswithsoapandwater.Soapandwaterwilldamagetheltermembrane.
• Putltersintoplace.Incorrectattachmentofaltermaycausedustanddirttogetintotheinsideoftheprojector.
Beforereplacingthelters,replacethelamp.(→page179)
1. Press down on the buttons on the left and right and then pull the filter cover towards you to open it.
 Thecoverwillopenabout90degreesbeforeitstops.
When mounting the projector to a ceiling
 Theltercoverwillopenabout90degreesbeforeitcomestoastopatthestopperposition.Removeyourhands
asthestopperwillbedetachedifitisopenedfurther.Theltercoverwillstopatapositionofabout90degrees.
 However,theltercovermaycloseiftheprojectorvibrates.
Filtercover Button
2. Remove the filter unit by pulling out the tab.
Filterunit Tab