ViewSonic M2W User Manual page 59

Menu
Keystone
Zoom
Adjust trapezoidal screen image distortion.
Auto Keystone
Provides a rectangular screen image by automatically
adjusting the keystone number when there is a
trapezoidal screen image caused by the tilting of the
projector.
• Enable: Automatically adjust the keystone number.
• Disable: Manually adjust the keystone number.
Horizontal Keystone
Keystone can be adjusted horizontally manually.
Vertical Keystone
Keystone can be adjusted vertically manually.
4 Corner Adjustment
Adjust each corner individually for maximum
projection flexibility.
Activate the zoom function.
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Description