DIGITAL INTERFACE SYSTEM TO SUPPORT ETHERNET AND CABLE CONNECTION STATE DISPLAYING METHOD THEREOF

摘要

A digital interface system to display an inappropriate connection state of a digital interface (High-Definition Multimedia Interface (HDMI) in an HDMI connection supporting an Ethernet function and a cable connection state displaying method therefore. When a user intends to use the Ethernet function by connecting the HDMI cable, the inappropriate connection of the HDMI cable is displayed on a screen by a message or a diagram. Also, in case of a plurality of connected HDMI cables, the position of an inappropriate HDMI cable is indicated on the screen. Even though it is difficult to distinguish a general HDMI cable from an HDMI with HDMI Ethernet and Audio Return Channel (HEAC) cable, an inappropriate HDMI cable connection is accurately identified.