Talk backs and there use

Talk backs are communcation pieces of equipment where the director and camera operators, sound operators, floor managers use to talk to each other. if you are on sound you have to pull a leaver to talk to the director or floor manager. camera operators have a little button on the side of there camera to talk to the director but they can hear everything that goes on anyway. Floor manager can hear everying that is going on and can use there talk back to the director and sound operators. Directors are also aware of everything being said although they can use there talk back to anyone.