| 摘要 |
An apparatus including a broadcasting receiver, a controller, a display unit and an audio output unit is provided. The broadcasting receiver is configured to receive a broadcasting signal, and the controller is configured to determine, when the broadcasting receiver receives the broadcasting signal, a state of at least one of the display unit and the audio output unit, and is configured to determine whether to receive supplementary information through the broadcasting receiver based on the state of the at least one of the display unit and the audio output unit. |
