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.

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 im- age becomes 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.

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Acer PD525P, PD523P, PD527 series manual Keystone, Aspect Ratio, Projection