If you used to tune to television stations in towns that send signals in opposite directions, you may have to choose which antenna you want most.

如果你过去经常调到镇上那些信号发射方向相反的电视台，那就只好选择你最想要的朝向的天线。

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But if you used to tune to television stations in towns in opposite directions, you may have to choose which ones you want most.

但是如果你习惯调到镇上那些信号发射方向相反的电视台，那就只好选择你最想要的朝向的天线。

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That has chosen the work mode, that which the indicator light should be tune on by opposite mode.

选择工作模式，所对应工作模式下的指示灯会亮。

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