Audio Head Unit
The audio head unit is located in the instrument panel, behind the ICP.
The audio head unit contains the following functionality:
- Bluetooth™ phone
- AM (amplitude modulation)/FM (frequency modulation) radio dual tuner with diversity
- Single disc CD (compact disc)/MP3 player
- Integrated 80W (4x20W) Amplifier
- DAB tuner (if fitted)
- USB (universal serial bus)/iPod connectivity (if fitted)
- Auxiliary input (for any device featuring a 3.5mm jack plug output)
- Provides audible beeps for the park aid system, if fitted.
The audio head unit communicates with the multi-function display on a dedicated CAN bus. The multi-function display communicates with the other vehicle systems on the medium speed CAN bus and is therefore the 'gateway' for the lo-line audio system.
The audio head unit contains an internal 80W amplifier which directly drives the vehicle speakers. Amplifier comprises 4 x 20W channels.
When the Bluetooth® telephone is specified, the audio head unit supports the Bluetooth™ telephone functionality and audio streaming. Bluetooth® telephone software and a Bluetooth® antenna are located within the audio head unit. The software within the head unit processes the Bluetooth® wireless signals from the users Bluetooth® telephone and allows audio output and data display on the multi-function display.
A microphone, located in the overhead console, is hardwired directly to the audio head unit which processes the microphone input into a Bluetooth® output to the users Bluetooth® telephone. Audio from the users Bluetooth® telephone is transmitted via the Bluetooth® to the audio head unit, which processes the signals and outputs them on the vehicle speaker system via the integral audio power amplifier.