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DU9800Z DLP Projector - User Manual
23
UM98001117EN00
Adjusting Geometric Distortion
When the image is projected on a curved surface or screen at an angle, the image may become distorted. You can utilize
the latest Vivitek Geometric Correction engine to make an image look visually correct when it is projected onto a
non-planar screen or at an angle. The option as below figure, the available function combination is listed on the submenu
of each geometry correction option.
Keystone
Select the Keystone adjustment then use the or button to correct the distortion, the adjustable value in horizontal
and vertical correction is ±30. The illustration is as below.
Horizontal Keystone:
-600(-60) 0 600(60
Vertical Keystone:
-400(-40) 0 400(40)
Besides correcting H and V Keystone by separate, you can use H and V keystone combination to correct the distortion.
In this case, the effective range may be limited.
Note:
Above adjustable range is for the case you adjust single dimension, the adjustable range of H and
V Keystone combination is narrow if comparing with single- dimension adjustment.
Rotation:
After H or V Keystone is adjusted, Rotation option is available for rotating the image if required. The option is only
available if H or V Keystone is adjusted, Use the or button to rotate the image clockwise or counterclockwise,
Warp
Keystone
Protation
Pincushion / Brrel
Arc
Top Left Corner
Top Right Corner
Bottom Left Corner
Borrom Right Corner
INPUT PICTURE ALIGNMENT CONTROL SERVICE
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