NEC P502HL - ❸ Projecting an Image from an Angle; Utility Lite); What You Can Do with GCT; Projecting an Image from an Angle (GCT)

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7. User Supportware
❸ 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96, 97)
• Yourcorrectiondatacanbestoredintheprojectororyourcomputerwhichcanberestoredwhennecessary.
• TheGCTfunctionisavailablewithawiredorwirelessLANconnection,andvideocable.
Projecting an Image from an Angle (GCT)
InstallImageExpressUtilityLiteonthecomputerandlaunchittodisplaythecontrolwindow.(→page95)
Preparation:Adjusttheprojectorpositionorthezoomsothattheprojectedimagecancoverthewholescreenarea.
1. Clickthe“ ”(Others)iconandthenthe“ ”(Options)
button.
Options window will be displayed.
2. Clickthecheckbox“Usethemultipleconnectionfeature”and
then clear the check mark.
3. Clickthe“OK”button.