Acer K520 Podręcznik Użytkownika Pobierz pdf (Strona 30)

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Image

Projection Front-Desktop

• The factory default setting.

Rear-Desktop

• When you select this function, the projector reverses the image

so you can project from behind a translucent screen.

Rear-Ceiling

• When you select this function, the projector reverses and inverts

the image at same time. You can project from behind a

translucent screen with ceiling mounted projection.

Front-Ceiling

• When you select this function, the projector inverts the image

for ceiling-mounted projection.

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 image will be scaled to fit the screen and displayed

using a 4:3 ratio.

• 16:9:

The image will be scaled to fit the width of the screen and

the height adjusted to display the image using a 16:10 ratio.

Manual Keystone Adjust image distortion caused by tilting projection. (±40 degrees)

<Note> The Manual Keystone funcion is unavailable under Auto

Keystone setting to "On".

H. Position

(Horizontal

position)

• Press to move the image left.

• Press to to move the image right.

V. Position

(Vertical position)

• Press to move the image down.

• Press to move the image up.

Frequency "Frequency" changes the projector's refresh rate to match the

frequency of your computer’s graphics card. If you can see a vertical

flickering bar in the projected image, use this function to make the

necessary adjustments.

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Acer K520 Podręcznik Użytkownika Strona 30