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GF82.70-P-4121RI Hands-Free System Microphone, Component Description



GF82.70-P-4121RI Hands-Free System Microphone, Component Description


Component Identification:






Location
The hands-free system microphone is installed in the inside rearview mirror unit.

Task
^ Receiving signals
^ Converting signals
^ Transmitting signals

Receiving signals
- Reception of acoustic (audible) signals in the form of sound waves
- Circuit 31 from the COMAND operating, display and controller unit (A40/3).

Converting signals
- Conversion of acoustic (audible) signals to electrical signals (frequency)

Transmitting signals
Discrete lines
- Transmission of electric signals (frequencies) to the COMAND operating, display and controller unit via 2 direct lines

Design
The hands-free system microphone consists of 2 microphones.