Then the testing can be carried out on the front face of the LED unit board.
此时就可以在LED单元板正面对其进行测试。
During the process, just one operator is needed so as to save labors and the assembling and disassembling of the LED unit board are convenient.
在此过程中，只需要一个操作者，节省了人力，并且LED单元板拆装方便。
The display with LED video louver window mode consists of computer system, frame controller, receiving board, scanning board, LED displaying unit, supporting rack, power source and lines;
这种LED百叶窗式显示屏由电子计算机系统，帧控制器，接收板，扫描板，LED显示单元，支撑架，电源及连线组成；
The display with LED video louver window mode consists of computer system, frame controller, receiving board, scanning board, LED displaying unit, supporting rack, power source and lines;
这种LED百叶窗式显示屏由电子计算机系统，帧控制器，接收板，扫描板，LED显示单元，支撑架，电源及连线组成；
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