51问答网 > 怎样判断电视机遥控器的好坏

怎样判断电视机遥控器的好坏

2025-03-13 22:30:25
推荐回答（1个）
回答1：

用数码相机。打开数码相机，用遥控器对着相机镜头随便按，在数码相机屏幕上能看到遥控器的发射二极管随着你按在闪亮，闪亮则说明遥控器能正常发射信号！ 原理是遥控器是靠红外线传送信号的，数码相机的CCD能接受到红外光。 手机的摄像头也能用。

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