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

The reason for the poor contact of video lines or the equipment itself,The problem of external surveillance probes or environmental factors

Q:Closed-circuit television monitoring system, video installation set what quotasfixed

In a digital communication system, the transmitted signals are digitized pulse sequences. When these digital signal streams are transmitted between digital switching devices, the rate must be completely consistent so as to ensure the accuracy of the information transmission. This is called synchronization".

Q:What are the differences between security monitoring and project and channel?

Channel products: refers to a brand, part of the goods for retail use, generally online or all types of dealers can sell.

Q:How to adjust the CCTV screen?

After selecting a TV set to expand the display, the computer will automatically detect and recommend the best resolution. The user can adjust the resolution according to the actual effect displayed by the TV screen to achieve the best display effect. 32 inch LCD TV as a display screen, generally set to 1280*720 pixels, showing better results.

Q:Is it OK to monitor TV instead of closed circuit?

Monitoring system is one of the most widely used systems in security system. Now, the site monitoring system is a handheld video communication device, and video surveillance is the mainstream now

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:Why can't closed-circuit monitors be shown after thunder?

If there are no replacement conditions, no replacement of the device, you can start with a variety of testing methods.If it doesn't work, then go back to the factory for maintenance.

Q:The difference between TV closed circuit and monitoring line

SYWV has less high frequency attenuation and lower frequency attenuation. The high frequency attenuation of SYV is low, and the attenuation of low frequency is small - its performance is different.SYWV is suitable for transmitting high frequency CATV signals; SYV is suitable for transmitting low frequency TV signals with different uses.

Q:What's the difference between a wireless surveillance camera and a wired surveillance camera?

Wired relative to the wireless signal a little better, wireless convenient, clear picture, choose cable is better.

Q:How to install closed-circuit monitoring?

First of all, make sure your computer hosts idle slots, buy a video card (or set), and then video heads and lines! The total price is between 350 and 400 yuan! There may be differences!