This article will discuss video ground loop problems in CCTV installations. The cause and how it effects picture quality with solutions to eliminate the problem.
Every CCTV technician knows that unforeseen problems can occur when they install cameras in a new location, and even swapping out one camera for another can cause a hidden problem to surface. When installing a CCTV camera in an elevator car to view the riders,
This article can be used to estimate the minimum wire gauge that must be used to at various cable pair lengths to power a camera and any required illumination. To begin with there are three major factors to consider when selecting the cable wire gauge
The VTG Video Timing Generator provides up to ten video sync signals with which to synchronize CCTV cameras in the field. The VTG is used with the VTM Video Timing Meter to establish accurate timing of multiple CCTV cameras. It can also be used
There is a new application of this technology that allows the user to type a custom message on the video screen and then turn it on or off at will with the use of external switches. As many as ten separate messages up to 25
Long Coaxial and Unshielded Twisted Pair (UTP) cables are a major cause of picture quality loss on Closed Circuit Television (CCTV) systems. No matter how sharp the picture a Camera can produce, or how clear the Monitor, the cables connecting them can appear to "defocus"
Have you ever wondered why Auto Iris cameras seem to go out of focus at night. Many installers have had to return to the job site at night and reset the focus of a camera to solve this problem.
The purpose of the Video Continuity Alarm System is to provide an unambiguous indication of a video facility failure. Current alarm systems cannot distinguish between a transmission facility failure and the video signal being turned off or disconnected at the source.
