Video projectors are very useful when giving a presentation to large groups.
By connecting a notebook computer external video port to the video projector you can project the notebook computer display onto a wall or projection screen. Some video projectors can be connected to the notebook computer mouse and audio ports. Connecting the mouse port allows a video projector remote control to function as a mouse, allowing you to control your presentation without having to stay next to the notebook computer. Connecting the audio port allows you to use the video projector audio controls to increase, decrease or mute the notebook computer audio . You should give yourself plenty of time to set up a video projector.