Method for controlling a power saving mode of a video display device with respect to a predetermined one of a plurality of applied signal sources

摘要: A method for controlling a video display device having multiple signal sources, which comprises the steps of: detecting whether synchronous is input to microcomputer; source selection state if not input; converting present mode power-saving indicates computer as selected source; and maintaining other than be source. Alternatively, may comprise state; command from in computer; executing picture-in-picture (PIP) enable displaying on screen PIP enabled; main corresponding source, according state, subscreen; of computer.