ViewSonic Pro10100 User Manual page 39

Pin Cushion/Barrel: Press the ◄ or ► to adjust the pincushion/barrel distortion.
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+/- 20% pincushion and barrel distortion correction.
Reset: Return to the default setting.
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4-Corner
This allows you to correct the trapezoidal distortion.
4 Corner position adjustments: Top Left, Bottom Left, Top Right, Bottom Right
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and All. Maximum is 5%.
Press the ◄ or ► to adjust x/y offset of each corner image.
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Curve
This allows you to adjust the curve of point 1~9.
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