NEC NP-PH1202HL Projector User Manual


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5. Using On-Screen Menu
CORNERSTONE
Displaythe4-pointcorrectionscreenandadjustthetrapezoidaldistortionoftheprojectionscreen.
Pleasereferto“CorrectingHorizontalandVerticalKeystoneDistortion[CORNERSTONE]”(→page34)fordetails
ontheoperation.
HORIZONTALCORNER/VERTICALCORNER
Distortioncorrectionforcornerprojectionsuchaswallsurfaces.
HORIZONTAL CORNER
.............................. Performs correction for projection onto a wall lying at an angle to the horizontal direction.
* Reverse angle correction is also possible.
VERTICAL CORNER
.............................. Performs correction for projection onto a wall lying at an angle to the vertical direction.
* Reverse angle correction is also possible.
NOTE:
• Whenthemaximumadjustmentrangeisexceeded,distortionadjustmentisdisabled.Setuptheprojectoratanoptimalangleas
the deterioration in the image quality increases as the distortion adjustment volume gets larger.
• Pleasenotethattheimagewillgooutoffocusduetothedifferenceinthedistancebetweentheupperandlowerorleftandright
sidesandthecenterofthescreenforprojectionscuttingacrosscorners.Lenseswithshortfocalpointsarealsonotrecommended
for projections cutting across corners as the image will go out of focus.
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