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Operation
64
VX-3000 Installation/Operation Manual
PRE
L
IMINAR
Y
GeoCorrection:
Projector placement and other factors can cause geometric distortion in
the projected image. To correct this, select GeoCorrection from the Installation menu. This
sub-menu provides the following options:
• V. Keystone/H. Keystone:
To correct distortion resulting from the angle of projection,
select V. Keystone or H. Keystone from the GeoCorrection menu and use the
or
button to make the image rectangular. See Figure 4-6.
Figure 4-6. Keystone Correction
GeoCorrection
V. Keystone
0
H. Keystone
0
Pincushion
0
Runco recommends that the keystone feature not be used unless
absolutely necessary, as it may cause artifacts in the image.
Tip
Positive values
compress top.
Negative values
compress bottom.
-
+
Vertical Keystone Correction
Positive values
compress right side.
Negative values
compress left side.
-
+
Horizontal Keystone Correction
Projector
Projected Image
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