NEC PA600X - Projecting an Image from an Angle; Utility Lite); What You Can Do with GCT

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8. User Supportware
 Projecting an Image from an Angle (Geometric Correction Tool
in Image Express Utility Lite)
TheGeometricCorrectionTool(GCT)functionallowsyoutocorrectdistortionofimagesprojectedevenfroman
angle.
What you can do with GCT
• TheGCTfeatureincludesthefollowingthreefunctions
• 4-pointCorrection:Youcantaprojectedimagewithintheborderofthescreeneasilybyalignthefourcorners
ofanimagetotheonesofthescreen.
• Multi-point Correction:Youcancorrectadistortedimageonthecornerofawallorirregularshapedscreen
byusingmanyseparatedscreenstocorrecttheimageaswellas4-pointCorrection.
• Parameters Correction:Youcancorrectadistortedimagebyusingacombinationoftransformationalrules
preparedinadvance.
Thissectionwillshowanexampleforusewith4-pointCorrection.
Forinformationabout“Multi-pointCorrection”and“ParametersCorrection”,seethehelpleofImageExpress
UtilityLite.(→page171)
• Yourcorrectiondatacanbestoredintheprojectororyourcomputerwhichcanberestoredwhennecessary.
• Geometriccorrectioncanbeusedwhenconnectedtothenetwork(bywiredorwirelessLAN)orbyvideocable.
Preparation:Adjusttheprojectorpositionorthezoomsothattheprojectedimagecancoverthewholescreenarea.
1. Clickthe“ ”(Picture)iconandthenthe“ ”button.
The “4-point Correction” window will be displayed.
2. Clickthe“StartCorrection”buttonandthen“Start4-pointCorrection”button.
A green frame and a mouse pointer ( ) will be displayed.
• Four[• ] marks will be appeared at four corners of the green frame
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