Audio system
182
Permissible bit and sampling rates
R
Fixed and variable bit rates up to
320 kbit/s
R
Sampling rates of 24 kHz – 48 kHz
i
Only use MP3 tracks with a bit rate of at
least 128 kbit/s or higher and a sampling
rate of at least 44.1 kHz or higher. Smaller
rates can cause a noticeable deterioration
in sound quality. This is especially the case
if you have activated the surround sound
function.
WMA (Windows Media Audio)
Windows Media Audio (WMA) is an audio data
compression technology developed by
Microsoft.
The audio system supports the following
types of audio files:
R
fixed bit rates of 5 kbit/s up to
384 kbit/s
R
sampling rates from 8 kHz to 48 kHz
The audio system does not support the
following WMA files:
R
DRM (Digital Rights Management) coded
files
R
variable bit rates
R
WMA Pro
R
5.1 Surround
Notes on copyright
The music tracks that you create and play
back in the MP3 and WMA format are
generally subject to copyright protection in
accordance with the applicable international
and national regulations.
In many countries, reproductions are not
permitted without the prior consent of the
copyright holder, not even for private use.
Make sure you know the applicable copyright
regulations and that you comply with these.
If you own these rights yourself, e.
g. for your
own compositions and recordings, or the
copyright holder has granted you permission,
these restrictions do not apply.
Operating the CD player
The single CD drive and the CD changer have
the same controls.
1
CD slot
2
Load/eject button
3
Forward
4
Rewind
Single CD player
X
Switching to CD mode: Press button
é
on the audio control unit.
The CD display appears when you switch to
CD mode. CDs start to play automatically
when they are inserted. The following
message will appear if no CD is inserted.
Controls in detail
Summary of Contents for 2009 C 230
Page 1: ...C Class Operator s Manual...
Page 26: ...24...
Page 28: ...Exterior view 26 Exterior view At a glance...
Page 30: ...Cockpit 28 Cockpit At a glance...
Page 32: ...Instrument cluster 30 Instrument cluster At a glance...
Page 34: ...Storage compartments 32 Storage compartments At a glance...
Page 42: ...40...
Page 136: ...Control system 134 Menus and submenus Controls in detail...
Page 156: ...Audio system 154 Audio control unit overview Controls in detail...
Page 302: ...300...
Page 376: ...374...
Page 404: ...Order no 6515 0642 13 Part no 204 584 45 81 Edition 2009 A 2045844581 2045844581...