ViewSonic PLED-W500 - SCREEN; Aspect Ratio; Overscan; Digital Zoom

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SCREEN
Aspect Ratio
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AUTO: Automatically selects the appropriate display format.
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4:3: This format is for 4×3 input sources.
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16:9: This format is for 16×9 input sources, like HDTV and DVD enhanced for
Wide screen TV.
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16:10: This format is for 16×10 input sources, like widescreen laptops.
Overscan
Overscan function removes the noise in a video image. Overscan the image to
remove video encoding noise on the edge of video source.
Digital Zoom
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Auto Keystone
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Choose “On” to automatically start the keystone adjustment.
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Choose “Off” to manually adjust the keystone.
V Keystone
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trapezoidal, this option can help make the image rectangular.
Ceiling Mount
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AUTO: Automatically inverts the image when the projector is mounted on the
ceiling.
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Desktop Front: The image is projected straight on the screen.
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Ceiling Front: When selected, the image will turn upside down.