Acer XD1170D Manuel - Page 24

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User Controls

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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.

4:3 : The input source will be scaled to fit the projection screen



and becomes 4:3 ratio.

16:9 : The input source will be scaled to fit the width of the screen



and narrowed the height to make the displayed image be-

comes 16:9 ratio.

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.

Rear-Ceiling



When you select this function, the projector reverses

and turns the image upside down at same time. You can

project from behind a translucent screen with ceiling

mounted projection.

Image

(Computer / Video

Mode)