Front Microphone
Receives a voice command or a HFT speech, and transmits them to the audio-navigation unit. The microphone unit consists of two microphones. One of the microphones is combined with the active noise cancellation microphone. It detects the driver's voice and the passenger's voice separately.
The microphone switches the directivity according to the voltage change on HFT MUTE line.
| Description | HFT MUTE Signal | |
|---|---|---|
| NAVI, HFL voice recognition mode | When using the HFL voice tag function, HFL voice control function, or the navigation voice recognition function that is embedded into the audio-navigation unit or the audio unit. | 0 - 1.5 V |
| HFL telephone mode | When using the HandsFreeLink via the audio-navigation unit or the audio unit. | 3 - 5 V |
| Server voice recognition mode | While using the voice recognition system via an external device (like a smartphone) | 7 - 9.5 V |