With the progress of electronic technology and the popularization of network technology, many enterprises have begun to install LED screens in their conference rooms and use LED screens for meetings, re-disks and summaries. Compared with traditional tools such as blackboard, LED screens can present clearer pictures and more information, which can save more time and energy for interpreters. At the same time, installing LED screens in the conference room can also enhance the sense of technology and quality of the whole conference room and effectively enhance the overall image of the company. Figure 1 shows the FS series product case of the conference room of an Internet enterprise in Los Angeles, and Figure 2 shows the R5 series product case of the conference room of an appliance enterprise in Shenzhen, China.