对EDID协议有详细描述，是必不可少的多显示器编程参考文档,EDID agreement to have a detailed descr iption is essential for multi-display programming reference documentation

显示器通讯操作，可实现私有数据、控制字、字、EDID\DDC-CI的操作-Display communications operations, private data can be achieved, control characters, words, EDIDDDC-CI operation