Sony DVS-9000 System User Manual page 555

Also, when the shaped video output is on, it is recommended that the switcher
key type be set to linear key.
About the relationship between shaped video output and effects
When the shaped video output is off, the video signal before key processing is
output. According to the selected effect, the following states may result.
(a) The output video signal is affected by the key signal.
(b) When key processing is done, a different image may appear in the parts
which are removed.
(c) There is no change in the output video signal for effects which are applied
to key signals only.
When multiple effects are applied, the order of priority is (a) > (b) > (c).
The following explains the relationship between effects and states (a), (b), and
(c).
(a) The output video signal is affected by the key signal
The output video signal is affected by the key signal when the following effects
are selected. To prevent the signal from being affected, set the DME key source
to Int Key, or choose an appropriate input key signal.
Page Turn, Roll, Cylinder, Sphere, Spotlighting, global effects (Combiner,
Brick, Shadow)
(b) When key processing is done, a different image may appear in
the parts which are removed
The following states result, depending on the selected effect.
Removal with the key can be checked by turning the background on.
Border, Beveled Edge: Added also to the outer side of the cropped video
signal (restriction of this version only).
Trail, Keyframe Strobe: The key signal level of the afterimage portion varies
with adjustments of the knob (Decay), but the afterimage portion of the
video signal does not disappear until Trail Eraser (KF Strobe Eraser) is
turned on or the effect is turned off.
Lighting: The Lighting effect is applied to the whole picture.
Spotlighting: If BKGD or Both is selected in the <Area Select> group, light
strikes the entire background.
(c) No change in the output video signal for effects which are
applied to key signals only
The following states result, depending on the selected effect.
Removal with the key can be checked by turning the background on.
Crop: The Copy effect is applied to the key signal only. The video signal does
not change.
DME Special Effect Operations
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