| 摘要 |
A display device capable of quickly switching signal sources, including a connection interface and an input interface. The connection interface electrically connects a plurality of signal sets. The input interface has a plurality of signal set selection keys corresponding to the signal sets respectively to thereby select a signal source. A first predetermined signal source of a respective signal set that has the video signal is automatically selected when a signal set selection key of the input interface is pressed. A subsequent predetermined signal source of the respective signal set that has the video signal is automatically selected when the signal set selection key of the input interface is pressed again. Accordingly, the invention can reduce the time required for signal source selection by a simple operation interface to thereby eliminate inconvenience in use to a user.
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