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Definition of preset points
The preset point can record the current scene position corresponding to the horizontal and vertical position of the dome camera and the lens magnification. By c...
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How to change the password of the IVMS-4200 client?
If you remember the original password, double-click the user name in the upper left corner of the 4200 software-user management to modify it.
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What does Transmission Control Protocol (TCP) mean?
TCP is connection-oriented, provides reliable data transmission, and checks the correctness of the transmitted data. The sent data needs to be confirmed by the ...
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What is the difference between one-click configuration of raid and manual configuration of raid?
The default array type created by one-key configuration is RAID5. Manual array creation supports multiple types of RAID0, RAID1, RAID5, RAID6 and RAID10, and yo...
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What are the interference factors of PIR human detection?
PIR detectors sense temperature changes, that is, changes in infrared radiation. But there are other factors, such as light and temperature changes in the worki...
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What does regional intrusion detection mean?
The area intrusion detection function can detect whether an object in the video enters the set area.
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What does full duplex mean?
It means that information can be transmitted in two directions at the same time. Two communication devices should have the functions of transmitting and receivi...
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What is the meaning of cruise scan?
The user specifies the scan route of the smart ball through a set of defined preset points, and scans are executed according to the set cruise speed and cruise ...
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Why does the webcam appear to be stuck and delayed?
If the analog camera encounters a freeze phenomenon, there are two reasons, one is the video line, the other is the internal problem of the video recorder. For ...
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What is the maximum transmission distance of PoE power supply technology?
Friends who know more about the network know that twisted pair cables have an \"insurmountable\" transmission distance of \"100 meters\". Whether it is a Catego...