Voice Activation System: Description and Operation

GF82.70-P-3020LEJ Voice Control, Function
- with CODE (529) HIGH Class Japan


Function requirements
^ Status "Circuit 15R ON"
^ Cockpit Management and Data System (COMAND) active and operating error-free
^ Voice control system operating error-free

GENERAL INFORMATION
The voice control system (VCS [SBS]) can be used to call up and operate the individual functions in the driver information system and telephony. The VCS [SBS] is integrated in the COMAND controller unit (A40/3). Voice control can be accomplished by spelling or saying entire words via the handsfree system microphone group (A67b1).

Operating instructions
The voice control is activated or deactivated via the following button on the multifunction steering wheel (MFL):
- VCS [SBS] on button (S111s4)
- "Back" and VCS [SBS] off button (S110s4)

A signal tone sounds after activating the voice control.

Voice control function sequence
The control signal of the VCS [SBS] on button are forwarded via the following route to the COMAND controller unit:
- Steering LIN
- Steering column tube module (N80)
- Chassis CAN
- Central gateway control unit (N93)
- Central CAN

The voice input takes place via the associated handsfree system microphone group, which is connected to the COMAND controller unit via direct lines. Speech is converted into an electrical signal by the handsfree system microphone group and forwarded in the COMAND controller unit. The voice signals are amplified in the COMAND controller unit. With model 221, the voice output is transmitted by the COMAND controller unit via the MOST to the audio tuner control unit (N93/1), from where it is transferred to the following speakers via direct lines:
- Left front door speaker group (H4/1), except code (810) Sound system
- Right front door speaker group (H4/2), except code (810) Sound system
- Left rear door speaker group (H4/3)
- Right rear door speaker group (H4/4)
- Bass box speaker (H4/17)
- Center cockpit speaker (centerfill) (H4/27)
- Left rear surround speaker (H4/54), with code (810) Sound system
- Right rear surround speaker (H4/57), with code (810) Sound system
- Left front door sound tweeter (H4/68), with code (810) Sound system
- Right front door sound tweeter (H4/69), with code (810) Sound system
- Left front door sound woofer and midrange speaker group (H4/72), with code (810) Sound system
- Right front door sound woofer and midrange speaker group (H4/73), with code (810) Sound system

With model 216 the voice output takes place via the following speakers:
- Left door rear speaker (H4/3)
- Right door rear speaker (H4/4)
- Bass box speaker
- Center cockpit speaker (centerfill)
- Left rear surround speaker
- Right rear surround speaker
- Left door sound tweeter (H4/68)
- Right door sound tweeter (H4/69)
- Left door sound woofer and midrange speaker group (H4/72)
- Right door sound woofer and midrange speaker group (H4/73)