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Operation
How to perform transitions, using keys and key modifiers, memories and custom controls, as well as Media-Store operation.
Video Sources
The switcher has access to three basic types of video sources, external, internal, and follows.
To Select a Source on a Bus from DashBoard
To select a video source on a bus, you must identify the bus you want to assign a video source to, and then press the source button you want to select on that bus.

Operation
How to perform transitions, using keys and key modifiers, memories and custom controls, as well as Media-Store operation.
- Audio and Video Processing
  Video and audio signals are processed and passed through the switcher in different ways, depending on how the switcher is being used or is set up. A better understanding of how the switcher is processing these signals help you to achieve the production you want.
- Video Sources
  The switcher has access to three basic types of video sources, external, internal, and follows.
  - To Select a Source on a Bus from DashBoard
    To select a video source on a bus, you must identify the bus you want to assign a video source to, and then press the source button you want to select on that bus.
- Video Layering
  How video is layered in the output of the switcher depends on how an ME is re-entered onto the other, and what keyers are on-air for the ME.
- Video Preview
  Video preview allows you to use an additional monitor to preview what the next shot is going to be.
- Matte Source
  Matte color backgrounds (BG) are color signals that can be applied to backgrounds and keys. Color selection is done either by picking a preset color, or by adjusted hue, saturation, and luminance to create a custom color.
- Copying
  You can copy the content of an ME or keyer to another ME or keyer.
- Transitions
  Transitions are used to change the background video and take keys on and off-air. A transition can include any combinations of background and keyers for an ME, MiniME™, or Canvas. The background and each keyer can be transitioned independently.
- 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.
- Memory Functions
  A memory register is a snapshot of the current state of the switcher that can include one or multiple ME, MiniME™, Canvas, scenes, or chroma key outputs. Up to 100 memory registers per ME, MiniME™, Canvas, scene, or chroma key can be stored and recalled on the switcher. Each of these memory registers can store as little as the information of one ME, or as much as the current state of the entire switcher, including all ME, MiniME™, Canvas, scenes, chroma key outputs, Aux Buses, and DVE settings.
- Switcher Sets
  The switcher stores configuration and operation data in a number of registers that contain the individual entries for items such as memories or personality settings. These registers can be stored as a single archive file, or as a register set that contains all the individual register of that type; all memories for example. These files are stored into Sets on USB drive. Different Sets can be created for different shows or applications, allowing you to quickly locate and recall the switcher configurations.
- Media-Store
  The MediaManager interface to the Media-Store allows you to load stills, animations, or audio files from the USB drive and make them available across all MEs. Up to 4 independent channels of video with alpha for playout of stills and animations are available switcher-wide.
- Clip Player
  The clip player offers a single playout channel for clips in the ITU-T H.264 (MPEG-4 AVC) codec in specific HD formats that can be assigned as a source on any bus in the switcher. Basic transport controls can be performed manually from the Clip Player page, using custom controls, or through AMP commands.
- 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.
- Sequencer
  The Sequencer allows you to create a playlist of custom control events.
- UltraScene
  UltraScene provides a simplified interface for creating a show with multiple key layers and basic transitions.

To Select a Source on a Bus from DashBoard

To select a video source on a bus, you must identify the bus you want to assign a video source to, and then press the source button you want to select on that bus.

Click Navigation Menu > Live Assist > Buses.
Click ME Bus,Chr Key Bus, or Aux Bus to select the area that you want to select a source on. As you select different areas, the buses for that area are listed on the row above.
Click MEX, MiniMEX, CanvasX, CKX, or AuxX to select the specific bus or area you want to select a source on. With an ME, MiniME™, or Canvas there is an additional selection of the keyer, background, or preset bus that you want to select a source on. The chroma key and aux buses do not have these selections.
Select the background, preset, or keyer bus that you want to select a source on. (ME, MiniME™, and Canvas only)

Note: Ensure that the source selected on the bus you want to enter is valid for that destination. For example, you cannot select MM1Bg as the source for MiniME1 Background. If the source is not valid, you will not be able to select it.
Select the type of source you want to assign to the bus and then select the source.
- Physical — the sources on the physical input BNCs and from the router.
- Internal — internally generated sources, including re-entries.
- Aux Follows — use the source that is active on selected aux bus.
- ME Follows — use the source that is active on selected ME bus.
- MiniME Follows — use the source that is active on selected MiniME™ bus.
- Canvas Follows — use the source that is active on selected Canvas bus.