To the left is the electronic pen used for selecting all of the functions. You can also replace a camera with a VCR for transmitting or recording a session. Below the camera buttons are the adjustable camera controls to pan and zoom. These buttons enable you to preview a camera before selecting it for broadcast. The area around D may be used to draw on a slide or write on the electronic whiteboard.
Many sites also have a remote control unit that resembles a television remote control.
With the exception of drawing on a whiteboard or slide, it functions like a penpal. This camera can move back and forth and zoom in and out. It can be remotely controlled or you control it with the penpal . The adjustable camera is typically used to show the lecturer, a projection screen or a blackboard. Arrow A points to a feature that enables the camera to pan and zoom.