Q:How to find the camera dead ends

Professional is this: from the camera's lowest vertical angle and 45 degrees direction of the corner shot to the ground for the vertex to draw a square to the corner, for most of the camera is within the square of the collection area is invalid, basically applicable to The market of 90 percent of the camera, very few high-value professional equipment, except, even if the square of the two sides can sweep the image of the place has been seriously deformed, there is no legal effect, this has been in court there are numerous cases

Q:What is the meaning of the camera uid?

You can click on the search, the phone will automatically display the LAN camera uid.

Q:How to connect a hard disk video recorder to a computer

(3) hard disk video recorder itself is a separate recording, operation and other monitoring functions of the host, do not need to connect with the computer. Because the hard disk video recorder is a separate function of the host, even with the computer connection, the computer host is open, the DVR can be normal video. Now the video recorder basically support network access, the video recorder and computer network cable docking, install the CMS software or through the browser to access the IP address of the video recorder can play the recorded video recording.

Q:Buy monitor camera attention to what

1, how to identify civilian high-definition camera? In general, civilian-grade optional cameras are all to 420 lines, 480 lines, 520 lines, etc. to represent the clarity of the camera, that is, on the monitor level Number of lines scanned. So the so-called business mouth of the pixels will be insignificant, because often will be exaggerated, in fact, difficult to achieve, so the civilian choice of monitoring the head should not be a measure of pixels. According to the interpretation of professionals, the usual surveillance cameras only two grades: low 330 lines or so, high solution 480 lines or so, many domestic products marked 420 lines is the 330 line products

Q:I want to install a set of monitoring, a total of 15 cameras, the farthest camera from the hard disk recorder 500 meters, how to install? What equipment?

Shenzhen Xin Sheng security that if the use of active video transmitter, you can spread to 500 meters, the premise is better than the wire, but doing so down the cost of fiber is not much cheaper.

Q:Will the surveillance camera brand which?

High-end cameras - the series of cameras are Japan, South Korea and Europe and the United States famous brands, such as SONY, Panasonic, SAMSUNG, SANYO, Philips, PELCO and Tyco-AD and so on. Among them SONY SSC-DC338P (480TVL, 0.8Lux), Panasonic WV-CP470 (480TVL, 0.8Lux) two color cameras and SONY black and white camera in all aspects of performance are more excellent

Q:Elevator in the monitor camera lens focal length with the number

The smaller the number of millimeters, the greater the angle, see the closer .3.6 mm angle of about 75 degrees, the proposed monitoring distance of 5 meters .2.8 mm angle of about 90 degrees, the proposed monitoring distance of 3 meters

Q:How does the surveillance camera solve the backlight problem?

Monitor the camera when installed properly, the exact location of the installation is not properly, in the monitoring screen may appear backlight phenomenon, which is installed monitoring often encountered problems. Especially in the entrance to install the surveillance camera is more prone to this problem, aimed at this problem, in fact, has not yet fully found a very effective way, the following Xiaobian introduced three ways to improve the backlight appearance must have a role, everyone In the use of the process of induction on-site environment and many other conditions to think, and then seek the best disposal approach.

Q:What is the camera's shooting range? How much is the diameter?

The lens used in the camera is similar to the SLR camera, and is arranged in the order of 2.8mm, 3.6mm, 4mm, 6mm, 8mm, 12mm, 16mm, 24mm and so on. The smaller the number of millimeters, the wider the picture taken by the lens, but the closer the distance is; the larger the number of millimeters, the narrower the screen taken by the surveillance camera, but the farther the distance is.

Q:Monitoring the camera has a 700 line with 1080 lines of 900 lines is what does that mean? consult

700 lines refers to the horizontal direction of the camera's resolution is 700 lines. The number of digits indicates that the higher the resolution, the more details you can shoot.