DU9800Z DLP Projector - User Manual
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.
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.
-600(-60∘) 0 600(60∘
-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.
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.
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,
● Keystone ↩／►
○ Protation ↩／►
○ Pincushion / Brrel ↩／►
○ Arc ↩／►
○ Top Left Corner ↩／►
○ Top Right Corner ↩／►
○ Bottom Left Corner ↩／►
○ Borrom Right Corner ↩／►
INPUT PICTURE ALIGNMENT CONTROL SERVICE