Pc Input Section - Roland VR-5 Owner's Manual

Names of Things and What They Do

PC INPUT Section

fig.overlay-section.eps
Using the features in this section lets you perform
compositing with a logo or text input from a computer
superimposed on the video, as shown below. This type of
processing is called "key compositing."
fig.text-overlay.eps
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1. PC AUDIO LEVEL Dial
This adjusts the level of the audio input from a computer.
2. KEY LEVEL Dial (p. 39)
This adjusts the degree of the extraction (removal) in key
compositing. At the center position, no extraction occurs at
all. (The background is not visible.) The extracting color for
key compositing differs according to the direction you turn
this dial.
• CHROMA KEY
Turning this counterclockwise enables compositing using a
chroma key. Blue or green backgrounds are extracted.
• LUMI KEY
Turning the control clockwise enables compositing using a
luminance key. Black or white backgrounds are extracted.
* Turning the dial all the way clockwise or counterclockwise
enables complete extraction, and the logo or text is not visible.
Turn the dial to find the optimal degree of extraction.
By default, the extraction colors are black for luminance key and
blue for chroma key. As shown below, this produces attractive
compositing of white logos or text on a black background, or yellow
logos or text on the blue background. You can use the menus to
change the extraction color. Refer to "Menu Operations and Menu
List" (p. 60), "VIDEO MIX Menu > KEY SETUP" (p. 63),.
fig.key-sample.eps
3. KEY ON Button (p. 38)
This selects whether key compositing is applied to input
from the computer or not. Pressing the button makes it light
up, and key compositing is applied. When you want to
display illustrations, photographs, and the like from the
computer just as they are, with no compositing, leave the
button dark.
4. PC SELECT Button (p. 39)
Pressing the button makes it light up, and the image input
from the computer is output.
When the [PC SELECT] button is dark, only the video-mix
results are output.