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Service System description infotainment and audio output MOST Edition 10.2011 Service Department. Technical Information Service List of Workshop Manual Repair Groups Repair Group 01 Self diagnosis, electrical checks Technical information should always be available to the foremen and mechanics, because their careful and constant adherence to the instructions is essential to ensure vehicle road worthiness and safety. In addition, the normal basic safety precautions for working on motor vehicles must, as a matter of course, be observed. A005A500620 Audi A4 2008 ➤ , Audi A5 Cabriolet 2009 ➤ , Audi A5 Coupé 2008 ➤ System description infotainment and audio output MOST Edition 10.2011 Contents 01 Self diagnosis, electrical checks 1 1 General information on audio output MOST 1 1.1 Definition of terms 1 1.2 Technical data 2 1.3 Components used MMI2G 5 1.4 Components used MMI3G 6 2 Function Basic audio playback 8 2.1 General notes, components used 8 2.2 Description of audio playback function 8 3 Function Sound settings 9 3.1 General notes, components used 9 3.2 Description of fader function 9 3.3 Description of balance function 10 3.4 Description of position dependent volume correction / time correction 10 3.5 Description of frequency response correction 12 3.6 Description of automatic source volume correction 12 3.7 Description of Audio during route guidance 13 3.8 Description of surround level function 14 3.9 Notes for service 15 4 Function adaptive volume control 16 4.1 General notes, components used 16 4.2 Description of GALA function 16 4.3 Description of dynamic noise compensation 16 Contents i Audi A4 2008 ➤ , Audi A5 Cabriolet 2009 ➤ , Audi A5 Coupé 2008 ➤ System description infotainment and audio output MOST Edition 10.2011 ii Contents Audi A4 2008 ➤ , Audi A5 Cabriolet 2009 ➤ , Audi A5 Coupé 2008 ➤ System description infotainment and audio output MOST Edition 10.2011 01 Self