Q:What are the security monitoring TV walls required?

A network video decoder is needed to board the TV wall. This device does not normally support VGA interface display devices.Ten thousand mast meets this kind of situation, thought that the plan which does not use the television wall is simple, a computer plus a projection may substitute, the cost is also low

Q:Is there any difference between a monitor and an ordinary monitor?

Refresh frequency is different: ordinary color monitor refresh frequency should be below 50Hz, general computer display easy to 75Hz.

Q:What's the reason for the closed-circuit surveillance image?

This situation is expected to occur when the line is subjected to high voltage interference, or when the interface is not in good contact

Q:How to install closed-circuit monitoring to connect to mobile phones?

The simple principle is the use of software to monitor you can watch CCTV on the computer, only need to install a subroutine in the computer and run in the background, even if there are people in the operation of the computer and do not see any traces. (unless you see the task manager often!). Then, install the mother program on your cell phone, and turn on the APP on your phone to monitor and control everything on that computer... The biggest premise is that the computer can not be switched off.

Q:CCTV can generally monitor how far it is?

Storage time: according to the size of the hard disk, just like a cylinder, the cylinder is large and the water is small. It is also different from compressed format, and the file size is different.

Q:Can the SYV 75-5 monitor video lines be used for closed-circuit television?

No problem with home. Line not more than 50 meters

Q:The CCTV Monitor for hard disk recorders is black and white. What's going on?

When the light is low, the camera automatically turns black to improve sharpness, which is the basic function of the camera.

Q:Security monitoring, the monitor is too far away from the hard disk video recorder, how to answer?

Or, as you say, connect the video recorder of the computer room to the Internet, and put it in the security room, a computer, LAN can. This can also be achieved, disadvantage is high cost, but also as the video network transmission in the past.

Q:The difference between the electronic police and the closed circuit television surveillance in Guangzhou traffic police

Like high-speed exits on the ramp, there are basically cameras (refers to closed-circuit television monitoring), some people in the ramp off the head, want to drop a small car, in many cases will be video, just wait for the money to go.Also, the downtown peak intersection, the solid line change lane (queue) will be taken. But this is not all belong to the random nature of the time will be caught.

Q:How to distinguish surveillance cameras?

In addition to the traditional network camera camera all the image capture function, the machine is built-in digital compression controller and a WEB based operating system (including Web server, FTP server, etc.) makes the compressed video data encryption, through the network (LAN, Internet or wireless network) sent to the user terminal to the network. The camera to access remote users can use standard PC on their web browser or client software, real-time monitoring of the target site, and the image data stored in real-time, also can through the network to control the PTZ and camera lens, omni-directional monitoring. Some network cameras also have other functions, such as voice intercom, alarm input, relay output, mobile detection, analog video output and SD card local storage video data and other functions. The formula is represented as follows: IP, Camera=, single path DVS+Camera.