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问题1:自从按装数字电视(按装“机顶盒”)后,每次打开电视机,电视里发出“嘭”的一声或“嘀答”的钟表声,或一些其他干扰声。这是怎么回事?
Question 1: Since turning on the TV after pressing digital TV (press “set top box ”), a “” or “ticking” watch sound or some other interference sound. How is this going?