A CCTV system uses cameras that send video feeds to a controlled location for viewing or recording. The “closed circuit” setup means video is only sent to authorised screens or storage devices. Control of CCTV means accessing camera streams and operating the system from a control room or monitoring station. https://ductworkinstallation46789.losblogos.com/38912494/cctv-control-systems-for-better-building-security