433. Convenient Features❿ Projecting an Image from an Angle (Geometric CorrectionTool in Image Express Utility Lite)The Geometric Correction Tool (GCT) that is a function of the pre-installed software on the projector “Image ExpressUtility 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 fit a projected image within the border of the screen easily by align the fourcorners 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 screenby 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 rulesprepared 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 file of Image ExpressUtility 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.
