With the development of video surveillance, surveillance cameras have become more and more widely used. Especially in recent years, thanks to the development of 4G networks, the development of 4G wireless surveillance cameras has developed rapidly and has become popular. At present, 4G wireless network surveillance cameras are widely used in agriculture, industry, commerce, animal…
The incorrect power supply of the surveillance camera can easily cause equipment failure and may cause damage to the equipment in the surveillance system. There are roughly the following possibilities for the incorrect power supply of the surveillance camera: 1. The power supply line or power supply voltage and power are not enough (or the…
When the infrared of the network surveillance camera is activated, the image in front of the night vision effect lens has a halo (aperture), which is normal during the day reasons may be: 1. Infrared light leakage may be caused by assembly problems, customers can reassemble or return to the factory; 2. The lamp cup…
Reason 1: The power supply of the surveillance camera is insufficient, causing the surveillance camera to fail to work normally. The independent power supply can directly replace the qualified power supply. For a centralized power supply, use a multimeter to test the voltage and current of the DC head output from the large power supply…
White light day and night full-color surveillance cameras do not turn on the white light at night generally because of these 3 reasons: 1. Although it is night, the environment is not dark enough to cause white light. Day and night full-color surveillance cameras will not turn on the white light at night. The brighter…
1. The performance of infrared high-definition cameras. The worst case is also the most likely: the infrared high-definition camera performance is very poor, I have seen poor infrared high-definition cameras: 30 meters nominal can only see 5-10 meters, of course, there is no object near you, of course, everything Invisible. This situation can only be…
1. The video cable of the surveillance camera is in poor contact, check the interface between the surveillance camera and the display; 2. The video signal of the surveillance camera is too weak, replace with a better wire or; 3. Surveillance camera video signal interference, check whether there is high-power equipment such as strong magnetism…
1. Directly connect the surveillance camera and the hard disk video recorder with a short-distance cable, and check whether the fault still exists. If there is no interference, check whether there is a strong current or a strong magnetic field near the line of the current surveillance camera with interference and replace the power supply…
The backlight phenomenon at entrances and exits is a more prominent problem in the installation and use of video surveillance. To solve this problem, we have not found a completely effective method. The three methods introduced below have a certain effect on improving the backlight phenomenon. We are using In the process, it is necessary…
According to the classification standard, the classification is as follows: 1. According to different transmission signals, it can be divided into analog cameras and digital cameras; 2. According to the different screen resolutions, it can be divided into the standard-definition camera and high-definition camera; 3. According to the shape of the camera, it can be…
