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Configuration - Projector
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C :
-
Bottom of resized area has moved upward.
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The input image has a different aspect ratio from the resized area.
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Image is scaled up to fill resized area, requiring that some input data be discarded because it falls
outside the resized area (dark transparent areas left and right).
•
D :
-
Bottom of resized area has moved upward so that the height is smaller than the image height.
-
The input image has a different aspect ratio from the resized area.
-
Input image is not scaled, however, data at the top of the image must be discarded because it falls
outside of the resized area, and data at the bottom of the image must be discarded because it falls
outside the resized area.
7.7.3.3 Masking
What is masking
After resizing the image, it may be still need to mask away pixels on the screen due to keystone and/or bow
distortion of the projected image. So look always at the screen while masking pixels.
How to mask
1.
While in screen file editor, click Masking (reference 1).
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2.
Select a Test pattern (reference 2) to display a test pattern on screen.
3.
If you need a predefined shape of masking, click on a shortcut (reference 14) at the right of the screen
representation.
4.
Set the position the 4 corners by using numeric values. Fit the corners of the picture on the four corners of
the screen by blanking the pixels displayed outside of the screen.
1. Click in the input fields for X and Y of Top-Left corner (reference 3) and fill out the desired position
value (or use up down control of spin box near the input field).
2. Redo the same operation with the other corners: Top-Right corner (reference 4), Bottom-Right corner
(reference 5), Bottom-Left corner (reference 6).
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