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Operation
How to perform transitions, using keys and key modifiers, memories and custom controls, as well as Media-Store operation.
Keying

Operation
How to perform transitions, using keys and key modifiers, memories and custom controls, as well as Media-Store operation.
- Transitions
- Keying
- Memory Functions
- Switcher Sets
- Media-Store
- Custom Controls
  Once programmed, a custom control (CC) can be played back by pressing a button. The custom control can be as simple as triggering an output GPI pulse, or as complex as recalling a specific memory register on an ME, performing a switcher transition, and selecting a group of keys.

Keying

Keying is the term used to describe when you insert (or electronically cut) portions of one scene into another, or place titles over background images. Keys are made up of two basic components, an alpha, that cuts the hole in the background video, and a fill, that fills the hole with different video.

Keys are layered onto the background video signal from the lowest numbered key to the highest.