CLS 55 AMG (219.376) V8-5.5L SC (113.990) (2006)
Cellular Phone Microphone: Description and Operation
GF82.70-P-4121TX Hands-Free System Microphone, Component Description
GF82.70-P-4121TX Hands-Free System Microphone, Component Description
- with CODE (388) "Portable CTEL" UPCI telephone system
- with CODE (386) Preinstallation for "portable CTEL" UPCI telephone system
- with CODE (387) Preinstallation for telephone "Handy" UPCI system, USA/Canada
- with CODE (813) Voice control system (VCS)
- with CODE (359) TELE AID emergency call system
- with CODE (498) Japan version
- with CODE (494) USA version
Component Identification
Location
The hands-free system microphone group (A67b1) is integrated in the inside rearview mirror (A67)
Task
The hands-free system microphone group converts sound waves into electrical signals and serves for:
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Voice input for making telephone calls using the hands-free system
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Voice control (e.g. telephone, radio, navigation) on vehicles with code (813) Voice control system (VCS)
Purpose without VCS
The hands-free system microphone group is connected with the UPCI control unit (universal portable CTEL interface) (N123/1) on vehicles without
VCS.
Purpose with VCS
On vehicles with VCS the hands-free system microphone group is connected with the voice control system control unit (VCS) (N41/3)The VCS control
unit relays the processed voice signals to the corresponding equipment via media-oriented system transport (MOST)
Task (Japan)
On vehicles with code (498) Japanese version the hands-free system microphone group is connected with the microphone array control unit (N41/5)The
latter relays the processed voice signal to the corresponding equipment via MOST.