CASA AROC Practice Questions - CASA Aeronautical Radio Operator Certificate (AROC) Exam

What is the purpose of the squelch control on an aviation radio transceiver?

To suppress background static and noise when no voice signal is being received. To increase the transmitter power output. To automatically switch between active and standby frequencies. To adjust the pitch and tone of the received audio signals.

Correct Answer:

To suppress background static and noise when no voice signal is being received.

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