Projecting An Image From An Angle (Geometric Correction Tool In Image Express Utility Lite); What You Can Do With Gct; Projecting An Image From An Angle (Gct) - NEC ME342U User Manual

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. (→ 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 "
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 (
• 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.
" button.
) will be displayed.
36
3. Convenient Features