按键时增加了按键音,提高了互动性。
这样一来,我们就能破译出按键音与特定按键的对应关系。
Thus to decipher what tone frequency is associated with a particular key. Look at your phone again.
将它们连接在一起后,7字段显示屏会显示与DIP开关激活的按键音相对应的数字。
Once physically wired together, the 7-segment display will light up the number associated with the touch-tone you activate with the DIP switch.
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