https://joy.videvo.net/videvo_files/video/free/2014-12/large_watermarked/Production_Switcher_Buttons_preview.mp4 Production Switcher Buttons A close-up of the buttons on a production switcher in a TV Studio. Includes button pushing, and rack focus shots. Audio also included. 1080pbuttonscloseclose-upcontroldialsdirectoreditingfadergalleryknobslightsmixerproductionstudiosurfaceswitchertelevisiontvtv studiovideovision mixer