At some point—usually, when the LED code E1F1 appears—the screen displays its first main output, and five icons or words appear.

过一会儿（通常是在出现LED 信号E1F1时），屏幕显示最初的主要输出，出现5 个图标或一些单词。

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This article mainly discusses the change of the incandescent lamp display screen into LED gray-scale screen, which displays both digital information and analogue pictures.

本文主要论述了如何将老式白炽灯显示屏改造成，既可以显示数字信息，又可以显示模拟图像信息的LED灰度屏的设计方案。

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This article gives a brief introduction on selecting raw materials, control system, mechanical structure and installation of huge LED displays, background screens and rental color curtain screen.

主要针对目前市场上超大led显示屏、背景显示屏、租赁彩幕的原材料选购、控制、结构、安装进行了介绍，对大家认识彩幕起到了抛砖引玉的作用。

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This article gives a brief introduction on selecting raw materials, control system, mechanical structure and installation of huge LED displays, background screens and rental color curtain screen.

主要针对目前市场上超大led显示屏、背景显示屏、租赁彩幕的原材料选购、控制、结构、安装进行了介绍，对大家认识彩幕起到了抛砖引玉的作用。

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