Optoma ZU820TST User Manual page 49

USING THE PROJECTOR
Basic Warp
Configure basic warp settings.
Note:
When Advanced or AP of Warp Control is selected, the Keystone, Pincushion, 4-Corner will be
unavailable.
‡ Keystone: Keystone function is used to adjust the images in asymmetric rectangle shape.
± Horizontal: Adjust the left and right side of the projected image to make it an even rectangle. It
is used for the images with unequal left and right sides.
± Vertical: Adjust the top and bottom side of the projected image to make it an even rectangle. It
is used for the images with unequal top and bottom sides.
‡ Pincushion: Pincushion function is used to adjust the image with barrel or pincushion distortion.
Horizontal: Correct the projected image with horizontal barrel or pincushion distortion.
±
± Vertical: Correct the projected image with vertical barrel or pincushion distortion.
4-Corner: Reshape the image by moving the 4 corners of the image to have it fit a specific projection
‡
surface.
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