| The basis of the system is an external eight channel and, as of MY 09, a ten channel audio amplifier with digital signal processing -R12-. The interface between amplifier and radio is formed by 4 low frequency lines and the CAN bus infotainment. The self-diagnosis of the amplifier and the loudspeakers is carried out via the CAN bus infotainment, which is also used by the amplifier of the equipment Soundsystem for the communication with the radio/navigation system. By means of the messages sent by radio/navigation system to the databus, the switching on/off of the amplifier, the switch-over between the six effects specified by the manufacturer is performed in the DSP (Digital Sound Processor). Therefore the equipment Soundsystem can only be combined with the radio Audience (up to MY 08), Bolero (as of MY 09) and with the navigation systems Amundsen and Columbus (as of MY 09), which contain an implemented menu for changing the DSP effects and enable the switching on and off of the amplifier. |
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