DDC English is the digital display channel, translated is the data display channel. So what is the data display channel? It is an information channel that connects the host to the monitor and transmits the physical data directly to the host. When it comes to DDC there is also the advantage of direct Plug and play on the monitor, the operating system directly to obtain the display and video card information response to the host. At the same time automatically match the best display settings, so that the display to achieve the best results.
What about the DDC/CI protocol that some monitors support?
The so-called DDC/CI protocol is when users need to monitor the above settings and color adjustment above to adjust the words can be directly through the mouse and user-friendly software interface to operate. And compared to the previous OSD menu operation, it will be more convenient. The General brand Monitor has the function button to open and adjust the Ddc/ci menu. As shown in the following illustration:
On the monitor, Vista's basic requirement is a digital interface that supports digital copyright technology such as the DDC/CI 1.1 protocol and HDCP. Through the Vista certification, the display of hardware and software features will have some upgrade, digital interface in today's mainstream LCD display, is currently more than DVI interface, and the future may transition to the HDMI interface.