HANDS-FREE TELEPHONE (HF/TEL) SYSTEM STRUCTURAL VIEW

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Component part and Function

Item

Function

HF/TEL unit

•  Possesses a voice recognition function to identify voice input from the microphone.

•  Outputs the call voice and voice guidance via the audio unit or audio amplifier.

•  Communicates with a cellular phone using Bluetooth.

•  Call-out, incoming call, and telephone number registration are controlled. The status signals are sent to the information display and audio unit via CAN.

Microphone

•  The user voice is sent to the HF/TEL unit as electric signals.

Information display

•  Each operation status of the HF/TEL unit is displayed by the character data.

Audio unit

•  Audio playback is canceled when the HF/TEL system is activated such as during an incoming call.

•  The call recipient voice and voice guidance are output to the speaker. (Without Bose^®)

Audio amplifier (With Bose^®)

•  The call recipient voice and voice guidance are output to the speaker.

Front door speaker (driver side)

•  The call recipient voice and voice guidance are output.

Voice recognition hands-free switch

•  Used for activating the HF/TEL system and initiating/terminating calls.

Car-navigation unit

•  Bluetooth connection status, radio wave strength, roaming, and remaining battery level are displayed. (With car-navigation system)

•  The car-navigation system's voice recognition is cancelled while the HF/TEL system is activated.

Item	Function
HF/TEL unit	• Possesses a voice recognition function to identify voice input from the microphone. • Outputs the call voice and voice guidance via the audio unit or audio amplifier. • Communicates with a cellular phone using Bluetooth. • Call-out, incoming call, and telephone number registration are controlled. The status signals are sent to the information display and audio unit via CAN.
Microphone	• The user voice is sent to the HF/TEL unit as electric signals.
Information display	• Each operation status of the HF/TEL unit is displayed by the character data.
Audio unit	• Audio playback is canceled when the HF/TEL system is activated such as during an incoming call. • The call recipient voice and voice guidance are output to the speaker. (Without Bose^®)
Audio amplifier (With Bose^®)	• The call recipient voice and voice guidance are output to the speaker.
Front door speaker (driver side)	• The call recipient voice and voice guidance are output.
Voice recognition hands-free switch	• Used for activating the HF/TEL system and initiating/terminating calls.
Car-navigation unit	• Bluetooth connection status, radio wave strength, roaming, and remaining battery level are displayed. (With car-navigation system) • The car-navigation system's voice recognition is cancelled while the HF/TEL system is activated.