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

Input signals are different: monitor input AV analog video signal, computer monitor input RGB tricolor VGA signal.The resolution is different: the average color monitor is usually 420 or 480 lines, and the computer monitor is at least 800*600 resolution.Radiation levels are different: color monitors generally do not have radiation protection, and computer monitors must have radiation detection, certification, or the use of liquid crystal display, there is no radiation.

Q:What's the difference between the hemisphere and the world of security surveillance cameras?

Global power, video, and a 485 interface, 485 interface to connect the control line, through software control global 360 rotation, zoom, focus, ball machine due to the upper and lower control and motor work, usually AC24V power supply.

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:Can the closed-circuit line be a monitoring line?

Yes, but the quality of the closed lines, especially the intensity is less, so the life expectancy is shorter and the transmitted signal attenuation is greater.

Q:What kind of equipment does the school security monitoring system have?

Front-end equipment: fixed focus camera (optional infrared), integrated network camera, dome camera, PTZ, shield, transformer, pole etc..

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

Closed-circuit television monitoring is generally no recording function; if it is applied to the standard enterprise or not public occasions, there is a special custom recording function.

Q:What is the initial password for the computer monitor?

There is no password for the computer monitor, and the CMOS password is visible. If you forgot to enter the password of the CMOS setup program, you can use the jumper short clearing method on the motherboard.

Q:Is it okay to use CCTV for surveillance cameras? Is video line the same as closed route?

It's not the same thingMonitor line model: SYV75-5, -3, usually blackCable lines: SYWV75-5, usually whiteThe same brand with the specifications of the monitoring line, more expensive than cable TV line

Q:How to distinguish surveillance cameras?

Analog camera (Camera) is a front-end device for monitoring the scene image. It takes CCD image sensor as the core component, plus synchronous signal generation circuit, video signal processing circuit and power supply. In recent years, low cost CMOS image sensor has a rapid development, based on the visual telephone or video conference system camera CMOS image sensor was applied to the requirement of image quality is not high. Due to the resolution and low illumination of the CMOS image sensor, the main target is not as good as the CCD image sensor at the moment, so the video camera is still used as a CCD camera in the TV monitoring system. Analog cameras (Camera) output signals are video signals, and can only transmit one-way video signals, which need to be connected to monitors or hard disk recorders for surveillance and video recording.

Q:What should be paid attention to when installing decoder in CCTV system?

The way to the corresponding decoding decoder with number of monitors.