Epson EB-825 - Manual (Page 22)

Changing the Aspect for computer images (EB-825/824/85/84)
You can change the Aspect as follows.
Set Values Operation Projection example
Normal Projects to the full projection size retaining the Aspect of
the input image.
4:3 Projects to the full projection size at an Aspect of 4:3. This
is ideal for when you want to project images at an Aspect
of 5:4 (1280 x 1024) to the full projection size. When a 1280x1024 signal is input
16:9 Projects at a 16:9 Aspect. This is ideal for projecting at full
screen size when using a 16:9 screen. When a 1280x1024 signal is input
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If parts of the image are missing, set Wide or Normal in Resolution from the Configuration Menu depending on the size of the computer panel.
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p.36
Functions for Enhancing Projection
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