Audio Signals

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Stereo signals contain left and right channel information. They are used for most audio signals. including:

A mono signal is used for the microphone input to the APIM. The mono signal is also used for the voice prompts, the Text-To-Speech (TTS) feature, ring tones, and any audio received through a connected mobile phone. These audio signals are output from the APIM to the ACM. The mono and stereo outputs from the APIM utilize separate circuits from the stereo output.

A digital signal is used to transmit data from a media device connected through the USB port to the APIM. The APIM then converts the signal to analog and relays the signal to the ACM.

A wireless signal is used to broadcast audio signals from a Bluetooth media device to the APIM, which converts the wireless audio signal to analog and relays it to the ACM.