Epiphan Networked VGA Grid - Manual (Page 127)

Networked VGA Grid User Guide 3-3 Fine-tune channel configuration
Borders are added to the top and bottom of the image to preserve the wider ratio of the input.
For example:
l
Input signal resolution is 720×480 (a 3:2 aspect ratio)
l
encoded resolution is 1280×800 (a 16:10 aspect ratio that is wider than the input resolution)
Borders are added to the left and right of the image to preserve the narrower ratio of the input.
The left and right side border are not guaranteed to be of equal width.
If you are seeing bars on your image but would rather have the image fill the whole screen you have to options:
1. Change the output frame size to match the aspect ratio of the input.
2. Stretch the image to fit the output frame size aspect ratio.
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