1. Chapter 10 - Switcher and Switching
Kevin Bechet

2. Preview
Key Terms
Principles of Switching

3. Key Terms
Switcher- A panel with rows of buttons that allows the selection and the assembly of various video sources through a variety of transition devices as well as the creation of electronic effects.
Switching- A change from one video source to another and the creation of various transitions and effects during production with the aide of a switcher.
Preview Bus- Row of buttons on the switcher that can direct an input to the preview monitor.
Program Bus- Row of buttons on the switcher, with inputs that are directly switched to the lineout.

4. Key Terms Downstream Keyer- A control that allows a title to be keyed.
Effects Bus- Row of buttons on the switcher that can select the video sources for a specific effect.

5. Key Terms
Fader Bar- A level on the switcher that activates the buses and can producer superimpositions, dissolves, keys and wipes.
Key Bus- Row of buttons on the switcher used to select the video source to be inserted in the background image.

6. Key Terms
Line out- The line that carries the final video or audio output.
M/E bus- Row of buttons on the switcher that can serve mix or effects functions.
Mix Bus- Rows of buttons on the switcher that permit the mixing of video sources.

7. Production Switcher

8. Switcher Layout

9. Basic Mix Bus

10. Key Bus

11. Small Portable Switcher

12. Virtual Switcher