Runco RS-1100 CineWide User Manual page 76

Operation
GeoCorrection
V. Keystone
H. Keystone
Pincushion
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:
0
• 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
0
button to make the image rectangular. See Figure 4-6.
0
Tip
-
Negative values
compress left side.
-
Negative values
compress bottom.
Figure 4-6. Keystone Correction
Runco recommends that the keystone feature not be used unless
absolutely necessary, as it may cause artifacts in the image.
Horizontal Keystone Correction
Projector
Vertical Keystone Correction
60 RS-900 and RS1100 Series Installation/Operation Manual
+
Projected Image
Positive values
compress right side.
+
Positive values
compress top.
or