HANDS-FREE TELEPHONE (HF/TEL) UNIT FUNCTION
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• The HF/TEL unit communicates information between the Bluetooth-enabled mobile phone and the center panel unit. The profile is used for communication between the HF/TEL unit and Bluetooth-enabled mobile phone. The CAN system is used for communication between the HF/TEL unit and the center panel unit.
• The HF/TEL unit sends/receives information by using the common profile with the Bluetooth-enabled mobile phone. If they do not have the same profile, communication is impossible. In this case, the functions requiring the profile are disabled.
• The HF/TEL unit uses the following profiles:
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Profiles
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Function
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HFP (Hands-free profile)
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Enables a call using a hands-free phone.
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DUN (Dial-up networking profile)
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Performs a dial-up connection.
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• The HF/TEL unit is equipped with a voice recognition function that allows the user to operate the Bluetooth-enabled mobile phone using voice. It also has a learning function to improve the precision of voice recognition.
• The HF/TEL unit has a self-diagnostic function to facilitate malfunction diagnosis.
Voice Recognition Function
• The voice commands are pre-set for the HF/TEL unit. When the voice spoken into the vehicle’s microphone matches the voice command, the HF/TEL unit performs the mode set to the voice command.
Learning Voice Recognition Function
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• Phrases for learning voice recognition are pre-set for the HF/TEL unit. The HF/TEL unit recognizes the features of the user’s voice comparing them with the pre-set phrase to improve the precision of the voice recognition.
Self-diagnostic Function
• The HF/TEL unit performs self-diagnosis to detect a malfunctioning part.