Operation Manual

43
3. Convenient Features
❿ Projecting an Image from an Angle (Geometric Correction
Tool in Image Express Utility Lite)
TheGeometricCorrectionTool(GCT)thatisafunctionofthepre-installedsoftwareontheprojector“ImageExpress
UtilityLite”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.
• Yourcorrectiondatacanbestoredintheprojectororyourcomputerwhichcanberestoredwhennecessary.
Projecting an Image from an Angle (GCT)
Preparation:
(1)ConnecttheprojectortoacomputerbyaUSBcable.(→page34,USBDisplay)
(2)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.
3. Usethemousetoclickthe[•]markofwhichcorneryouwishtomove.
The currently selected [•]markwillturnred.