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2. Projecting an Image (Basic Operation)

❻ Correcting Keystone Distortion

Whentheprojectorisnotexactlyperpendiculartothescreen,keystonedistortionoccurs.Toovercomeit,youcanuse

the“Keystone”function,adigitaltechnologythatcanadjustforkeystone-typedistortion,resultinginacrisp,square

image.

Thefollowingprocedureexplainshowtousethe[KEYSTONE]screenfromthemenutocorrecttrapezoidaldistor-

tions.

Whentheprojectorisplaceddiagonallytothescreen,

Whentheprojectorissetupatanangleinrelationtothescreen,adjusttheHorizontaloptionoftheKeystonemenu

sothatthetopandbottomofsidesoftheprojectedimageareparallel.

1. Pressthe3DREFORMbuttonontheremotecontrolortheprojec-

tor cabinet.

 TheKeystonescreenwillbedisplayedonthescreen.

2. Press the

▼

buttontoselect[VERTICAL]andthenusethe

◀

▶

sothattheleftandrightsidesoftheprojectedimageareparallel.

*Adjusttheverticalkeystonedistortion.

3. Aligntheleft(orright)sideofthescreenwiththeleft(orright)side

oftheprojectedimage.

• Usetheshortersideoftheprojectedimageasthebase.

• Intherightexample,usetheleftsideasthebase.

4. Press the

▲

buttontoselect[HORIZONTAL]andthenusethe

◀

▶

sothatthetopandbottomsidesoftheprojectedimagearepar-

allel.

• Adjustthehorizontalkeystonedistortion.

Screenframe

Projected area

Alignleftside

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NEC NP-PH1400U Bedienungsanleitung Seite 45