Simply put, the central control uses the RS232 control port to connect the BS232 of the matrix and controls it with the protocol. The switch and remote control of the projector are generally learned by IR infrared and controlled by touch screen. The projection screen is controlled by the power controller and then connected to the central control.
A video splicer, a control keyboard, a video monitoring matrix, and several splicing screens and surveillance cameras. The splicing screen is controlled by a computer to realize a single screen display or multiple small screen displays, and the keyboard realizes matrix switching and camera focus control.
Learn programming immediately - the original conference central control system programming is such a simple programming example: function description, click the touch screen "matrix switch" button, and the host sends the control command "8*16!" from serial port 1 Go to control the matrix of Extron in the United States to switch.
Maybe the receiving port of the IPAD central control software is closed. Please completely close the IPAD central control software from the background, reopen it, and then upload it. Whether the network is connected, that is, whether the computer and the host are in the same network, whether there is a problem with the network cable, and whether there is a problem with the router and switch.
Realize automatic gain technology: The video matrix switcher has an automatic gain function, which can ensure the balance of the output signal between different input sources and avoid accidental damage through the power-off on-site protection function. Built-in wheel patrol function: The device has a built-in wheel patrol function, and users can set switches, time and channels for loop playback.
In order to solve this problem, we can use an ASD matrix switcher (some models also come with stereo audio switching), which connects each seat.The VGA interface of the on-bit information panel and the projector or LCD screen monitor can switch each channel as needed, which greatly improves efficiency.
1. What are the precautions for the use of matrix switchers in the LCD splicing wall display system? First, system grounding: The LCD splicing screen display system must have perfect grounding measures, otherwise it is easy to cause signal interference, instability or mechanical damage and other phenomena, and serious cases may cause personal accidents due to leakage.
2. Determine the signal interface and type of the display device in advance. Although the type and quantity of signal source are determined, the number and type of interfaces of the display device must be determined before the hybrid matrix switcher can be customized.
3. Do not use the machine continuously for too long. When not in use, cut off the machine in the correct way. Please use it in the environment allowed by the machine. Avoid using the machine in high temperature, low temperature and humidity environment. The machine should be placed away from sources of fire, chemicals, and direct sunlight to avoid accidents.
4. Distributor: It is mostly used in the signal source that needs to allocate output scenes. The distributor itself only allocates the output of the signal source. In the splicing screen project, it is necessary to use the splicing screen after splicing first, so as to realize the signal source splicing display.
1. Determine the signal interface and type of the display device in advance. Although the type and number of signal sources are determined, the number and type of interfaces of the display device must be determined before the hybrid matrix switcher can be customized.
2. Matrix switcher All functional upgrade options, such as USB storage, sound, RS232, analog VGA input support, are built into the extender through switching upgrade options, ODSC1KVM extender and standard network switch composition does not exceed 2000 The matrix switching system of nodes.
3. But there is no need to choose 32×32 or 64×64, unless it is radio and television and video conference transmission, each video must have audio synchronous transmission.
4. Just pay attention to reliable brands. I have paid attention to it some time ago. I know that the current Piaz is quite suitable. The product is safe and reassuring. It can be switched at will with the remote control and supports different scene modes uniformly, so it is very reassuring to choose this.
When there is a character jitter problem, the common reason is that the quality of the video signal entering the matrix host is relativelyPoor, the field synchronization head is relatively weak, resulting in superimposed character jitter. Please try to improve the quality of the video signal, replace the thicker transmission cable and use long-distance transmission means, such as optical terminal and twisted pair transmitter. Or use a video amplifier.
The reason why the video matrix switching signal does not respond: it may be that the input/output device is poorly connected or there is no good grounding. The buzzer is turned off, and you can enter the matrix switcher menu to open it. The internal buzzer of the host is broken.
When there is a shadow in the peripheral image connected to the VGA matrix, such as the projector, it is generally not a host problem. It may be that the projector is not tuned correctly, and the corresponding button of the projector should be adjusted. 2) When the color is lost or there is no video signal output, it may be that the VGA head is not connected well.
This phenomenon is mostly caused by the system's bad road and the introduction of 50 weeks of power frequency interference (interference of alternating current).
The correct name of the switcher should be matrix switcher, also known as video matrix, matrix host, etc. If you can't switch the big screen, it depends on the specific situation. The reasons are as follows: the matrix itself is malfunctioning. The keyboard itself is out of order. The connection cable between the matrix and the keyboard is faulty. The matrix keyboard has been set with permissions.
A. Frequently asked questions in engineering Ground wire protection in multimedia systems: In multimedia system engineering, a variety of equipment will be used, such as projectors, computers, matrix switches, distributors, CDs, DVDs and central control systems.
To summarize accurately, switch the video image from any input channel to any output channel for display. Generally speaking, an M×N matrix: indicating that it can support both M image input and N image output. What needs to be emphasized here is that it must be arbitrary, that is, any input and any output.
Video matrix refers to the arbitrary output of the m-way video signal to the electronic device on the n-way monitoring device through array switching. In general, the input of the matrix is greater than the output, that is, mn. Some video matrices also have audio switching functions, which can synchronously switch between video and audio signals. This matrix is also called video-audio matrix.
Analog matrix switcher is an electronic device used to switch and route between multiple input signals and multiple output signals.
A matrix switcher is to transmit one or multiple video and audio signals to one or more display devices respectively. For example, if two computer hosts want to share a monitor, the content on the two computer hosts can be arbitrarily transferred to the same one or more monitors. Matrix switcher is a kind of device that switches the output of multiple signals.
A matrix switcher is a matrix switching device for redistributing and combining computer display signals. The device can switch multiplex video input signals to any channel of multiplex output channels.
The matrix is an analog device in the monitoring system, which is mainly responsible for the switching control of the front-end video source and control line. For example, if you have 70 cameras but only 7 monitors, the matrix can make your monitor display 70 camera picture patrol functions in a loop.
The matrix switcher provides audio, video and computer signal management products, which is a necessary product to seamlessly integrate them into any conference room or functional conference room.
It is necessary to change the one-way video input to multiplex output, or when the multi-way video input, any one-way video output can be made (multiple output), that is, any one-way output can be connected to any one-way input, which can be connected at the same time. Just like a mathematical matrix.
These two are used to distribute signals, which can realize functions such as displaying all the way signal on multiple screens. It is only applicable to different signals.
Matrix transposition is a very basic in matrix operations.One of the basic operations is that it can turn the columns of the matrix into rows and rows into columns to generate a new matrix. Matrix transposition has many important properties and applications in the fields of matrix analysis and linear algebra. Next, I will introduce the properties of matrix transposition from several aspects.
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Simply put, the central control uses the RS232 control port to connect the BS232 of the matrix and controls it with the protocol. The switch and remote control of the projector are generally learned by IR infrared and controlled by touch screen. The projection screen is controlled by the power controller and then connected to the central control.
A video splicer, a control keyboard, a video monitoring matrix, and several splicing screens and surveillance cameras. The splicing screen is controlled by a computer to realize a single screen display or multiple small screen displays, and the keyboard realizes matrix switching and camera focus control.
Learn programming immediately - the original conference central control system programming is such a simple programming example: function description, click the touch screen "matrix switch" button, and the host sends the control command "8*16!" from serial port 1 Go to control the matrix of Extron in the United States to switch.
Maybe the receiving port of the IPAD central control software is closed. Please completely close the IPAD central control software from the background, reopen it, and then upload it. Whether the network is connected, that is, whether the computer and the host are in the same network, whether there is a problem with the network cable, and whether there is a problem with the router and switch.
Realize automatic gain technology: The video matrix switcher has an automatic gain function, which can ensure the balance of the output signal between different input sources and avoid accidental damage through the power-off on-site protection function. Built-in wheel patrol function: The device has a built-in wheel patrol function, and users can set switches, time and channels for loop playback.
In order to solve this problem, we can use an ASD matrix switcher (some models also come with stereo audio switching), which connects each seat.The VGA interface of the on-bit information panel and the projector or LCD screen monitor can switch each channel as needed, which greatly improves efficiency.
1. What are the precautions for the use of matrix switchers in the LCD splicing wall display system? First, system grounding: The LCD splicing screen display system must have perfect grounding measures, otherwise it is easy to cause signal interference, instability or mechanical damage and other phenomena, and serious cases may cause personal accidents due to leakage.
2. Determine the signal interface and type of the display device in advance. Although the type and quantity of signal source are determined, the number and type of interfaces of the display device must be determined before the hybrid matrix switcher can be customized.
3. Do not use the machine continuously for too long. When not in use, cut off the machine in the correct way. Please use it in the environment allowed by the machine. Avoid using the machine in high temperature, low temperature and humidity environment. The machine should be placed away from sources of fire, chemicals, and direct sunlight to avoid accidents.
4. Distributor: It is mostly used in the signal source that needs to allocate output scenes. The distributor itself only allocates the output of the signal source. In the splicing screen project, it is necessary to use the splicing screen after splicing first, so as to realize the signal source splicing display.
1. Determine the signal interface and type of the display device in advance. Although the type and number of signal sources are determined, the number and type of interfaces of the display device must be determined before the hybrid matrix switcher can be customized.
2. Matrix switcher All functional upgrade options, such as USB storage, sound, RS232, analog VGA input support, are built into the extender through switching upgrade options, ODSC1KVM extender and standard network switch composition does not exceed 2000 The matrix switching system of nodes.
3. But there is no need to choose 32×32 or 64×64, unless it is radio and television and video conference transmission, each video must have audio synchronous transmission.
4. Just pay attention to reliable brands. I have paid attention to it some time ago. I know that the current Piaz is quite suitable. The product is safe and reassuring. It can be switched at will with the remote control and supports different scene modes uniformly, so it is very reassuring to choose this.
When there is a character jitter problem, the common reason is that the quality of the video signal entering the matrix host is relativelyPoor, the field synchronization head is relatively weak, resulting in superimposed character jitter. Please try to improve the quality of the video signal, replace the thicker transmission cable and use long-distance transmission means, such as optical terminal and twisted pair transmitter. Or use a video amplifier.
The reason why the video matrix switching signal does not respond: it may be that the input/output device is poorly connected or there is no good grounding. The buzzer is turned off, and you can enter the matrix switcher menu to open it. The internal buzzer of the host is broken.
When there is a shadow in the peripheral image connected to the VGA matrix, such as the projector, it is generally not a host problem. It may be that the projector is not tuned correctly, and the corresponding button of the projector should be adjusted. 2) When the color is lost or there is no video signal output, it may be that the VGA head is not connected well.
This phenomenon is mostly caused by the system's bad road and the introduction of 50 weeks of power frequency interference (interference of alternating current).
The correct name of the switcher should be matrix switcher, also known as video matrix, matrix host, etc. If you can't switch the big screen, it depends on the specific situation. The reasons are as follows: the matrix itself is malfunctioning. The keyboard itself is out of order. The connection cable between the matrix and the keyboard is faulty. The matrix keyboard has been set with permissions.
A. Frequently asked questions in engineering Ground wire protection in multimedia systems: In multimedia system engineering, a variety of equipment will be used, such as projectors, computers, matrix switches, distributors, CDs, DVDs and central control systems.
To summarize accurately, switch the video image from any input channel to any output channel for display. Generally speaking, an M×N matrix: indicating that it can support both M image input and N image output. What needs to be emphasized here is that it must be arbitrary, that is, any input and any output.
Video matrix refers to the arbitrary output of the m-way video signal to the electronic device on the n-way monitoring device through array switching. In general, the input of the matrix is greater than the output, that is, mn. Some video matrices also have audio switching functions, which can synchronously switch between video and audio signals. This matrix is also called video-audio matrix.
Analog matrix switcher is an electronic device used to switch and route between multiple input signals and multiple output signals.
A matrix switcher is to transmit one or multiple video and audio signals to one or more display devices respectively. For example, if two computer hosts want to share a monitor, the content on the two computer hosts can be arbitrarily transferred to the same one or more monitors. Matrix switcher is a kind of device that switches the output of multiple signals.
A matrix switcher is a matrix switching device for redistributing and combining computer display signals. The device can switch multiplex video input signals to any channel of multiplex output channels.
The matrix is an analog device in the monitoring system, which is mainly responsible for the switching control of the front-end video source and control line. For example, if you have 70 cameras but only 7 monitors, the matrix can make your monitor display 70 camera picture patrol functions in a loop.
The matrix switcher provides audio, video and computer signal management products, which is a necessary product to seamlessly integrate them into any conference room or functional conference room.
It is necessary to change the one-way video input to multiplex output, or when the multi-way video input, any one-way video output can be made (multiple output), that is, any one-way output can be connected to any one-way input, which can be connected at the same time. Just like a mathematical matrix.
These two are used to distribute signals, which can realize functions such as displaying all the way signal on multiple screens. It is only applicable to different signals.
Matrix transposition is a very basic in matrix operations.One of the basic operations is that it can turn the columns of the matrix into rows and rows into columns to generate a new matrix. Matrix transposition has many important properties and applications in the fields of matrix analysis and linear algebra. Next, I will introduce the properties of matrix transposition from several aspects.
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