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176

7. Maintenance

6. Attach 4 new ﬁlters to both sides of the ﬁlter unit.

 The installation locations of the lters are differentiated by

whetherthereareanyslits(notches).Installthelterunderthe

angearoundthelterunitasfollows.

(1)Attachthe2lterswithtransparentframesttedtothegrips

tothesideofthelterunitwheretheknobislocated.

• Turnoverthesideofthelterwiththetransparentbox

andtheninstallit.

(2)Attachthe2lterswiththeblacklinestothesideofthelter

unitwherethereisnoknob.

• Turn over the side of the lter with the blackline,and

theninserttheslitsintotheprotrusionsonthelterunit

toinstallit.

Flange

Knob

Slit

7. Mount the ﬁlter unit back onto the projector cabinet.

 Insertthelterunitontotheprojectorwiththesidesonwhich

theleftandrighthooksarelocatedontheoutside.

Hook

8. Closetheltercover.

 Afterclosing,pushtheltercovernearthebuttonsuntila“click”

soundisheard.Theltercoverwillbesecuredinposition.

Button

9. Clearthelterusagehours.

 Plugthepowercordintothewalloutlet,andthenturnonthe

projector.

 Fromthemenu,select[RESET]→[CLEARFILTERHOURS].

(→page132)

 Theintervaltimetocleantheltersissetto[OFF]attimeof

shipment.Whenusingtheprojectorasitis,youdonotclear

thelterusage

NEC PA721X User Manual

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