The following are free CCTV training presentations:
Please select a heading to download:
We start the series with cameras. Cameras are the starting point of the video signal and are therefore a critical component of a CCTV system.
The main function of a lens is to focus the scene on to the CCD chip of a camera. This important function is often under rated, causing problems after the CCTV system is installed.
Understanding Multiplexers (DOC - 28 KB)
When finding a new type of multiplexer the Engineer needs to find out several fundamental things in order to understand how the system is going to operate. Listed below are the relevant details, that will help you with the understand the type of Multiplexer that is being used.
In this article we will discuss the video signal which is the basic electrical signal which starts at the camera and goes to the control room via a transmission system.