Q:What are the security monitoring TV walls required?

The front end uses the network camera, then the surveillance video frequency acquisition has not been a problem.The 21 points are in different places, and the front end and the back end are all connected by network devices, of course. Don't you have a wiring problem?. Is the distance between the 21 points very far?Each video signal needs to be on the wall, it is best not to use the TV, with professional LCD monitor will be better. In addition to security monitors, you also need screen splitter, TV wall rack, and video recorder if you want a hard drive.

Q:What are the reasons for the absence of signals in the closed-circuit monitoring system?

If you say the host images do not display camera pass or display no signal, you can go directly to the camera to view whether power or whether the display, you can use a video detector and universal meter to complete. If not, that's the middle route. You can use the instrument above to measure back to the host in the middle of the section. If there is a problem with the camera, you can try it directly with a new camera to see if there is any problem with the middle line.

Q:Characteristics of closed circuit monitoring system

Closed circuit monitoring system provides remote monitoring and control. According to the relevant national technical specifications, the system should be set up security camera, TV monitor, video recorders (or DVR) and image processor, the user can at any time any tune to see a picture of any remote control camera etc..Closed circuit monitoring system generally consists of three parts: front-end equipment, transmission part, back-end equipment (including control equipment and display equipment).The main components of closed-circuit monitoring system are: camera or image acquisition device, image transmission and control equipment, image processing and display equipment. Closed-circuit television monitoring system of the technical requirements are: the clarity of the camera, the system's transmission bandwidth, the video signal to noise ratio, television signal format, cameras achieve higher quality and operation function, as well as the environment of each part of the system to the extent.

Q:What should be paid attention to in the installation of security monitoring?

Exposure to any interference environment reduces video quality and affects overall performance and reliability of the system. Avoid equipment exposure in large motors such as elevators, water pumps and fluorescent cylinders, as well as in a variety of high power radio equipment environments.

Q:Does closed-circuit television have recording capabilities in general?

Closed-circuit television monitoring system is the security system is an important part of the integrated system is an advanced and strong prevention ability, it can be through remote cameras and auxiliary equipment (camera, PTZ etc.) all direct viewing are monitoring sites, can be put in place to monitor the situation at a glance, and provide video for post query and analysis. At the same time, television monitoring system can also be linked with anti-theft alarm systems, access control systems and other security technology to prevent the system linkage operation, so that its ability to prevent more powerful.

Q:Is there any sound in closed-circuit monitoring?

There is your acquisition card or hard disk recorder, pickup is generally need to be purchased separately, if you monitor audio connected pickup can be, you can look around you there is something mahjong or habits at the top, which is a pickup

Q:What are the common types of CCTV cameras?

The camera is divided according to the sensor:1, CCD camera; 2, COMS camera

Q:How to improve the transmission speed of closed-circuit monitoring in the network

Increase the bandwidth of both sides, 2-4M, preferably Telecom independent accounts, not in other people's lan.Reduce the host virus program or daemon because it takes up bandwidth.The compression board transmission speed will be faster, like Kang, what, is several hundred.Computer host configuration should be at least two thousand or three thousand, do not include monitors.In the board settings, to screen transmission speed as the first, rather than the quality of the screen as the first.

Q:About 100 meters of video surveillance, video surveillance video lines can be replaced by closed-circuit TV?

From the structure and performance of the words, the latter will be better than the former, but the current security system or this phenomenon is very strange. So you can directly use this cable to transmit video signals, absolutely no problem.

Q:How can the CCTV surveillance video be deleted?

Hard disk recorders can not be deleted or deleted selectively, formatted only on hard disks, or new video files automatically overwrite old video.