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3. Convenient Features
9
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 fit 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 file 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. (
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page
(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.
