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Frage 159

What is the function of an electronic keyer?

  1. Automatic transmit/receive switching
  2. Automatic generation of dots and dashes for CW operationRichtige Antwort
  3. To allow time for switching the antenna from the receiver to the transmitter
  4. Computer interface for PSK and RTTY operation

Erklärung

An electronic keyer generates the dot and dash elements automatically at a set speed with correct timing when the paddle is closed on either side. It is a sending aid, not a transmit-receive switch and not a digital mode interface.

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Frage 159: What is the function of an electronic keyer? · FCC General Class (Element 3) · Questena