Contents, function description, Audio 20 (with code 494) - GF82.60-P-0995SKV
Model 171.4 with CODE (494) USA version
| Audio 20, function | GF82.60-P-0005SKV | |
| Radio mode, function | up to 31.5.05 | GF82.60-P-2001SKV |
| as of 1.6.05 | GF82.60-P-2001SKW | |
| CD-player mode, function | up to 31.5.05 | GF82.60-P-2002SKV |
| as of 1.6.05 | GF82.60-P-2002SKW | |
| Volume/tone adjustments, function | GF82.60-P-2003SKV | |
| Switch on/off behavior, function | GF82.85-P-2006SKV | |
| Telephone mode, function | With code (387) preinstallation for portable CTEL UPCI system, USA/Canada | GF82.85-P-2007SKV |
| Data exchange between the operating unit and instrument cluster, function | GF82.85-P-3004SKV | |
| Overview of Audio 20 system components, location/task/design/function | GF82.60-P-9995SKV |