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正翻译步骤 15

步骤 15
Here's a closeup of the volume dial / on-off switch
  • Here's a closeup of the volume dial / on-off switch

  • An eccentric cam in the middle of the dial opens and closes a metal contact (marked with green square) to disconnect/connect the power to the circuits.

在此插入翻译

在此插入翻译

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