INTRODUCTION
VideoOverlays – Chroma Key
May9, 2002 SuperView3000 User Manual 3
.....
................................................
VIDEO OVERLAYS – CHROMA KEY
The SuperView provides chroma key circuitry for overlayi ng the window input
imagerywith thebackground computer graphics (gray scale or color). This
featureis only available if you have the Autosync optionand the BACKGROUND
INPUTconnector.
................................................
CONTROL OF THE SUPERVIEW
.
............
FRONT PANEL Manyof the SuperView’s functions can be controlled from the frontpanel .
Theseinclude: Window Size, Window Position, Zoom, Pan, Window Priority,
MotionFil ter,Brightness, Contrast, Saturation, Gamma, Freeze, and
ChromaKey.
FIGURE3. SuperViewFront Panel, 2RU Enclosure
.
............
RS-232 TheSuperView has a PRIMARY RS-232 serial port which connects to an ASCII
terminalor to any computer with a serial port. Commands are sent from the
terminalor computer to the SuperView. The commands havea simple syntax
andare described in Chapter 6 , “Serial Command Set”.
TheSup erViewalso has an AUXILIARY RS-232 port, which allows multiple
SuperViewsto be daisy-chained and controlled by a single terminal or
computer.Certain other products from RGB Spectrum also have two serial
ports, allowing these units to be part of the chain.
................................................
SYSTEM FEATURES
•Acceptsup to twelve inputs—eachinput channel accepts NTSC /PAL
Composite, S-Video,Y PBPRComponent, and high-resolution RGB
signals.
•Upt o six user-definedpresets can be stored and recalled for later use.
Thesepresets store information about window size and position, image
controls,and overall arrangment of inputs on the screen.