与电脑串口连接输入文字，脱机运行可以显示2千个汉字或4千个ASC码，数据存储在EEROM中可保存10年以上，不用备用电池，免维护。现有左移和停止2种花样，可以在显示新闻、广告、信息发布的各种场所使用。其他功能正在开发中。详细内容。。。　-Enter text and the computer serial port, run off 2 thousand Chinese characters can be displayed or 4 thousand ASC codes, data storage can be stored in EEROM more than 10 years, no backup battery, maintenance-free. 2 left and stop the existing patterns, you can display news, advertising, information dissemination using various places. Other features under development. Details. . .