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Video Matrix Switcher is designed for high-performance intelligent matrix device is designed to switch the video signal, with a scalable multi-channel video inputs, multiple video outputs, and multiple control enclosures, professional broadcast-level core switch chip, flexible input output options, simple and reliable expansion capabilities, compact appearance, easy installation make it a high price. Matrix switching system may comprise one or more matrix switching chassis, the power module, video input / output modules and character overlay module. All of the systems by the system control module and keyboard control. A matrix system typically should include the following basic functions: the character signal superimposed; decoder interface to control PTZ and cameras; alarm interface; the control panel, as well as audio control box, alarm interface box, control the keyboard and other accessories. For domestic users, should be for the whole Chinese characters superimposed, to facilitate the operation personnel do not speak English, matrix systems also need to support cascaded to achieve higher capacity, in order to adapt to the different users of the matrix system capacity requirements, matrix The system should support modular and Plug and Play (PnP) can be obtained by increasing or decreasing the video input and output cards to achieve a combination of different capacities. The development direction of the matrix system is a versatile, high capacity, and can be networked for remote switching. In general matrix system capacity reached 64 × 16 is a large capacity matrix. If you need a larger capacity matrix system can also be cascaded through multiple matrix system to achieve. Matrix capacity, the higher the required level of technology, design and implementation of difficulty is greater. According to sub-grade telecom broadcast: switch when no flicker and snow, very smooth, you can take a look at CCTV program will know, followed by professional matrix switch when a little black dot appeared, but did not blink, and is a civilian, the majority of conference room is this, and instantly switch flashing snow and jitter, but changing screens very stable. Video matrix switching system has four sizes: A type Matrix: Standard 2U industrial chassis, single expandable to 48 × 16 or 32 × 32. B Matrix: standard 3U industrial chassis, single expandable to 80x16 or 64 x32. C Matrix: Standard 4U Industrial Chassis, a single station can be extended to 128x32 or 64 x64. D Matrix: Standard 8U industrial chassis, single expandable to 64x64 m audio and video matrix refers to any video signal output by the process of switching the array to n-way monitoring device on an electronic device, in general, the matrix input is greater than output is m> n. Some also with audio and video matrix switching, video and audio signals can be synchronized switching, this matrix is ??also called audio video and audio matrix. To ensure safe and reliable use of equipment and personnel in the installation, use and maintenance of audio and video matrix, Guangzhou East giant remind you please observe the following: 1. System grounding, the system must have a sound grounding, otherwise, not only cause signal interference, unstable, or mechanical damage, but also may be due to leakage caused by accidents. AV switch matrix of the final ground should be connected to true ground, the grounding resistance should be less than 1. 2. Prohibition on changing the original design of this product is prohibited mechanical and electrical design change or add any components, otherwise, the manufacturer of the dangers posed by the results thus irresponsible. 3. Do not use a two-pin plug, ensure that the input power supply to AC 220V50Hz of. 4. There 220V AC high voltage parts inside the machine, do not open the cabinet to avoid electrical shock hazard. 5. Do not place the device in the system is too hot or cold place 6. Device Power at work may have a fever, so to maintain a well-ventilated working environment, in order to avoid overheating and damage to the machine. 7. Rainy and wet weather or when not in use for a long time, turn off the main power brake equipment. 8. AC power cord from a device sure to unplug the AC power supply before the following operations: A. Remove or reinstall any component equipment; B. Any electrical disconnect or re-connected device plugs or other connection. 9. Non-professionals without permission, please do not attempt to disassemble the equipment chassis, Do not attempt to repair, to avoid accidents or increase the extent of damage to the equipment. 10. Do not use any chemicals or liquids spilled on the device or in the vicinity. The current analog audio and video matrix matrix and digital matrix into two categories for its implementation. Audio and video matrix is ??generally used for all types of surveillance applications. Simply put, the general entered the conference room facilities are numerous: a camera, DVD, VCR, document camera, a desktop computer, a lot of notebooks signals, etc., but rarely display terminal: projectors, and plasma, the big screen shows . The role of audio and video matrix came out, you can put any way to provide the source of the signal to the device any way is displayed on the terminal, you can do the audio and video sync or out of sync, the heart pace, convenience and cost savings . Common types are classified according to the interface type (VGA, AV, RGB), and of course the mixing matrix, is the device is not different interface types, also divided according to the number of interfaces, such as the 8 series has 8 into two, 8 into 4, 8 x 8 and so on. According to sub-grade telecom broadcast: switch when no flicker and snow, very smooth, you can take a look at CCTV program will know, followed by professional matrix switch when a little black dot appeared, but did not blink, then is a civilian, the majority of conference room is this, and instantly switch flashing snow and jitter, but changing screens very stable.