Acer XD1250D series - Manual (Page 24)

User Controls
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Image
(Computer / Video
Mode)
Keystone

Adjust image distortion caused by tilting projection. (±16 degrees)
Aspect Ratio
Use this function to choose your desired aspect ratio.
 Auto : Keep the image with original width-higth ratio and maxi-
mize the image to fit native horizontal or vertical pixels.
 16:9 : The input source will be scaled to fit the width of the screen
and narrowed the height to make the displayed image becomes
16:9 ratio.
 4:3 : The input source will be scaled to fit the projection screen and
becomes 4:3 ratio.
 480p (*) : Provide the best display for a 480p 16:9 signal.
Projection

Front-Desktop
The factory default setting.

Front-Ceiling
When you select this function, the projector turns the im-
age upside down for ceiling-mounted projection.

Rear-Desktop
When you select this function, the projector reverses the
image so you can project behind a translucent screen.
 (*): for XD1150/
XD1150D only.