The picture created by the camera needs to be reproduced at the control position. A CCTV monitor is virtually the same as a television.
The lens must be provided separately and screwed onto the front of the camera. There is a standard screw thread for CCTV cameras.
The starting point for any CCTV system must be the camera. The camera creates the picture that will be transmitted to the control position.
Camera is mains powered as is the monitor. A coaxial cable carries the video signal from the camera to the monitor.
The platform may simply rotate in a horizontal plane and is generally known as a scanner for cctv camera system.
This platform can then be controlled from a remote location.A coaxial cable carries the video signal from the camera.