Q:Monitor the camera mentioned in the three stream, what is the meaning of ah, which three?

The three stream uses a high bit rate bit stream for local high definition storage, such as h.264 D1 encoding, all the way low bit rate stream for network transmission, such as D1 / CIF encoding, another way ultra low bit stream for 3G Network transmission, mobile phone viewing, such as QCIF, while taking into account the local storage and remote network transmission.

Q:What is the black box that monitors the camera connection?

There may be a power adapter, there may be Guangduan Ji, there may be a video distributor, there may be a screen splitter, there may be a hard disk video recorder, do not know which one you say.

Q:What is the minimum illuminance indicator of the surveillance camera?

IRE Level: The maximum amplitude of the video output of the CCD camera is generally set at 100IRE (or 700 mV), and a 100IRE video indicates that you can fully drive a monitor to show the best brightness and contrast image quality. 50IRE video shows only half the contrast, 30IRE (or 210 millivolts) that only 30% of the original amplitude, usually 30IRE is the lowest performance available image value. So there is no indication of the lowest illuminance results of the IRE grade and are not actually comparable. Finally, it is the camera's special function settings.

Q:Why mobile phone surveillance camera is always not online

1, the first network camera installed, connected through the network cable to the switch, the network camera connection is not the need for each network cable must be unified in a switch (such as: need to install a camera in the distance, if you want to install ten Camera so the traditional camera is necessary for each coaxial line must be inserted at the same time in a video recorder can be used normally, but the network camera can add a switch, that has ten network switches into a network only need to pull To another switch on the normal use, so do not have to spend a lot of trouble, save a lot of labor)

Q:What is the abbreviation for monitoring the OLUX on the camera?

The ambient illumination can be divided into several ranges: ultra low illumination (10-2lx), low illumination (10-1lx ~ 10lx), general illumination (10lx ~ 105lx), high illumination (106lx or more). See Table A.1. Table A.1 Environmental Illumination Range Environmental Illumination lx 2 × 10-5 to 2 × 10-4 7 × 10-4 to 3 × 10-3 3 × 10-2 to 3 × 10-1 5 5 × 102 3 × 103 ~ 105 3 × 104 ~ 105 106 Examples of environmental conditions dark night stars moonlight dawn sunrise / sunset cloudy sunny flame

Q:Monitor the camera why the black screen?

Fifth, the control camera control equipment, such as DVR / NVR / capture card, check its related software is running properly, whether the latest version, if not suggested to contact the manufacturer to upgrade the software can be.

Q:Monitor the camera's 4-way, 8-channel What does it mean! The

4 Road, 8 Road refers not to monitor the camera, but the number of hard disk recorders. 4-way hard disk video recorders can take up to 4 cameras, 8-way hard disk video recorders can take up to 8 cameras, in addition to 16, 24, 32 and so on.

Q:How many mm meters I use to monitor the camera

1, on the issue of 1,2, the lens of the focal length of choice with their own experience has a great relationship, different people, different occasions require a lot of difference, I give you a map, you according to your own choice and monitoring object requirements Make a choice

Q:HD surveillance cameras are common faults

3) check whether the IP address of the camera and other IP devices within the LAN conflict, the host's IP address and IP address of the camera is in the same network segment;

Q:How to make cable monitoring camera temporarily failed

2. with a laser pen on the camera to shoot what he can not shoot down the camera are automatically exposed but there is a light it automatically reduce the exposure.