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's the monitor?

A monitor is a display that acts as an image and converts a video signal into an image.

Q:How to adjust the CCTV screen?

After the computer and television are connected, a screen display operation method is provided:1, in the computer click the right mouse button pop-up menu, select the screen resolution into the settings interface;2, in the resolution settings interface, set the TV set to expand the display;

Q:Video security monitoring system component

Video security monitoring system is composed of four main parts: front end, transmission, control and display record. The front part includes one or more cameras and supporting the lens, Yunnan, protective cover, drive transmission includes decoding; cable and / or cable, and the cable / wireless signal modulation and demodulation equipment etc.;

Q:What is closed-circuit, such as closed-circuit surveillance, closed-circuit television, and so on

1 、 camera (transformer, support) - (video line, power line, control line) - hard disk recorder - display2, the camera (transformer, bracket), video line, power line and control line - (equipment box, optical transceiver, optical fiber, optical fiber jumper) (power line) - Optical - VIDEO - line distributor - matrix (DVR) - display (TV wall)

Q:How to control remote control of closed-circuit system

In your way, must be in each shop to do routing in the port mapping, your network is fixed IP or ADSL class of dynamic IP, if it is fixed IP, just like LAN, easy access. If it is ADSL, it is best to do a dynamic domain name, peanut shell is good, there is free. Then your laptop with a browser enter each store access domain, or install a client software, 5 domain names to connect 5 stores.

Q:Check your home monitor circuit with your mobile phone

First, make sure the terminal is a video recorder or a capture card, so you can find the device's mobile client.Second, now the brand's mobile client is installed on the phone.Third, that is, set up, set up the router. Port. This is very important, you can look at instructions, or consult the installation staff, most of the momentum is the same. So you can see it.

Q:Why is surveillance camera also called closed-circuit?

Yes, it can be understood, because it can only be used in a certain space, just like the VOD system in KTV, CCTV, someone's home is not received, the cable is not closed.

Q:What is the working principle of TV wall display in security monitoring system?

TV wall display, general use monitors, monitors, television, as well as splicing screen, splicing screen is divided into DLP, PDP, LCD splicing.Analog surveillance generally adopts video matrix, through the BNC interface on the wallDigital monitoring usually adopts digital matrix through the upper wall of VGA interfaceIf splicing screen is adopted, arbitrary splicing can be realized by splicing processor.

Q:In security surveillance, what is the difference between a hemisphere camera, a gun camera and a ball camera?

The biggest difference between the ball and the top two is that the ball can be controlled by the control keyboard. It is usually installed in the large hall which needs to be monitored and has large outdoor area. The general bolt and the price of almost half. Cheap point on a few hundred, and the good will be two thousand or three thousand. But the ball will be very expensive, made thousands of good brand, will reach two or three million taiwan.