Acer X1173 - Manual (Page 30)

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Image
Projection
• Front-Desktop: The factory default setting.
• Front-Ceiling: When you select this function, the
projector inverts the image for ceiling-mounted
projection.
• Rear-Desktop: When you select this function, the
projector reverses the image so that you can project
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.
Projection
Mode
• Front: The factory default setting.
• Rear: Reverses the image so you can project from
behind a translucent screen.
Projection
Location
• Auto: Automatically adjusts projection location of
image.
• Desktop
• Ceiling: Turns the image upside down for ceiling-
mounted projection.
Aspect Ratio
Use this function to choose your desired aspect ratio.
• Auto: Keeps the image with original width-height ratio
and maximizes the image to fit native horizontal or
vertical pixels.
• Full (for WXGA models): The image will be displayed
making full use of the horizontal and 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 screen and
displayed using a 16:9 ratio.
• L.Box (for WXGA models): Keeps the original signal
aspect ratio and zooms in by 1.333 times.
Auto Keystone
Automatically adjusts image distortion caused by tilting
projection (±40 degrees).