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Bluetooth®(Hands-Free) function (outgoing calls)

  1. When the talk button on the steering switch is pressed, the CMU detects (1) the steering switch operation.
  2. When the CMU detects the steering switch operation, it sends (2) a guidance audio signal to the remote tuner (RT).
  3. The remote tuner (RT) sends (3) the guidance audio signal to the speakers and the speakers output (3) the guidance audio.
  4. The voice recognition-use microphone converts the words (voice commands) produced by the user after the guidance audio output to an audio signal and sends it to the CMU.
  5. When the CMU receives the audio signal from the voice recognition-use microphone, it sends (5) an outgoing call signal to a mobile device such as a Bluetooth®-enabled mobile phone or a Smartphone, and the call is initiated.
  6. The mobile device, such as a Bluetooth®-enabled mobile phone or a Smartphone, sends (6) the received audio signal to the CMU, and the signal is output (6) from the speakers via the remote tuner (RT).
  7. The voice recognition-use microphone sends the send audio signal of the user to the CMU, and the CMU sends (7) the received send audio signal to a mobile device such as a Bluetooth®-enabled mobile phone or a Smartphone.
    G13561502Courtesy of MAZDA MOTORS CORP.