Sony MVS-8000 User Manual page 124

There are four modes: H&V, H, V, and Off. You can select the turn position,
the radius of the turned portion, the amount and angle of turning, and the input
video for the front and back pages.
Cylinder
Winds the whole image onto a cylinder.
You can set the degree of winding onto the cylinder, the radius, the horizontal
position of the wound image, and front and back side output for the image.
Sphere
Winds the whole image onto a sphere.
You can set the degree of winding onto the sphere, the radius, the horizontal
position of the wound image, and front and back side output for the image.
Note
You cannot monitor the part of a rotating sphere that corresponds to its axis on
the monitor screen.
Explosion
Divides the image into fragments which expand as they fly out.
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Digital Multi Effects (DME)