把遥控器举起来，看看你能否让红外光反弹并打开电视。
Point the remote up. See if you can get the beam to bounce off the ceiling and turn on the TV.
嵌入式设备简易输入法，包括如下步骤：由遥控器数字键输入，发射出一定编码的红外光；
The invention relates to an embedded device simple input method. The method comprises the following steps: inputting with number keys of a remote control, emitting a certain coded infrared light;
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