| 摘要 |
An electronic device and control method used therein. The electronic device comprises a tuner, a video capture device, and a potential selector. When a first potential is applied with the potential selector, both the tuner and the video capture device are powered by a first power source of the first potential, and, when a second potential is applied with the potential selector, only the video capture device is powered by a second power source of the second potential.
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