Common problems and solutions for wireless monitoring system installation
Wireless monitoring is an industry that has developed rapidly in recent years. Many users need to install a wireless monitoring system because they do not understand the technical operation, which leads to some problems in the installation and is overwhelmed. Today, Tengyuan Zhituo Xiaobian will list some common problems and solutions for the installation of several wireless monitoring systems for everyone to understand.
1. The monitor display has a black screen.
The reason for the black screen of the monitor is usually caused by the lack of video signal input. The solution is to check whether the link from the camera to the monitor is normal, such as checking whether the transmitter is short-circuited, open or powered off, and whether the camera is Turn on the power, etc.
2. The image on the monitor display is black and white.
When monitoring the display image black and white, we need to check whether the monitor display, DVR host and video input system are consistent. If they are inconsistent, the system of the monitor display should be adjusted to the automatic recognition state, so that the image is no longer pure black and white.
3. Monitor the display for noise spots, or no image and sound.
When this happens, we should first eliminate the problems of the monitoring equipment and the transmission equipment to see if they are normally connected to the power supply, and secondly, check whether the frequency of the receiving and transmitting ends of the wireless transmission equipment is consistent, the antenna direction is aligned, and the transmitting and receiving ends. Whether there is occlusion, whether the connection between the receiving amplifier and the receiver is normal, and so on.
4, the transmission image clarity is not high, data loss, color saturation is too small.
This situation is likely to occur because the transmission distance is too far, and there is no relay amplification device in the middle; or because the distribution capacitance of the video transmission cable is too large; or because the transmission line appears between the core wire and the shield wire of the transmission line. Concentrated distribution of equivalent capacitance caused by.
5, the monitor display has an image, but the noise point is large
This situation can also be judged according to the inspection method of the third point. In addition, it is also possible to check whether the height of the antenna is sufficient, because if the height is insufficient, it is easy to cause longitudinal occlusion between the transceiver terminals; finally, the transceiver is checked. Whether the power supply is a sinusoidal voltage.
The above is the introduction of common problems and solutions for the installation of wireless monitoring systems. In actual installation, users can completely throw these problems to the equipment vendors. For example, the technicians of Tengyuan Zhituo will enter according to user needs. Solution planning, installation and commissioning, and after-sales service. And the user only needs to come to the acceptance project.
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