NEC PA903X - Page 120

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5. Using On-Screen Menu
WARP
Correctprojectedimagedistortiononaspecicsurfaceasacolumnorasphere.
NOTE:
• Whenthemaximumadjustmentrangeisexceeded,distortionadjustmentisdisabled.Setuptheprojectoratanoptimalangle
since the more the adjustment volume gets large, the more image quality gets deterioration.
• Pleasenotethattheimagewillgooutoffocusduetothedifferenceinthedistancebetweenperipheriesandthecenterofthescreen
forprojectionscuttingacrosscornersasonacolumnorasphere.Lenseswithshortfocalpointsarealsonotrecommendedfor
projections cutting across corners as the image will go out of focus.
Adjustment method
1. Alignthecursorwiththe[WARP]ofthe[GEOMETRICCORRECTION]menuandthepresstheENTER.
• Adjustmentscreenwillbedisplayedon.
2. Press the ▼▲◀▶buttonstoalignthecursor(bluebox)withthetargetadjustmentpointandthenpressthe
ENTER.
• Thecursorwillchangeintoanadjustmentpoint(yellowincolor).
3. Press the ▼▲◀▶buttonstoadjustthecornersorsidesofthescreenandthenpresstheENTER.
• Thecursorwillbacktoyellowbox.
Explanation for correcting distortion
• Eightadjustmentpointscanbemovedindependently.
• Forleftandrightsides,use◀/▶ buttons for adjusting the range of distortion, and ▼/▲ buttons for adjusting
the distortion peak.
• Fortopandbottomsides,use▼/▲ buttons for adjusting the range of distortion, and ◀/▶ buttons for adjusting
the distortion peak.
• Forcorners,use▼▲◀▶ buttons for moving positions.
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4. Foradjustingotherpoints,repeatStep2onwards.
5. Whentheadjustmentiscompleted,movethecursorontothe[EXIT]ontheadjustmentscreenandpress
theENTER.
• Thescreenwillbeswitchedtothe[GEOMETRICCORRECTION]menu.
The adjustment completion screen will be displayed on.
6. Press◀ or ▶buttontomovethecursoronto[OK]thenpress[ENTER].
• TheadjustedvaluesforWARParestoredandthescreendisplaygoesbacktothe[GEOMETRICCORREC-
TION].
TIP:
AcommerciallyavailableUSBmouseisavailabletoperformcorrection.(→ page 40)