Mercedes-Benz C-Class 2009 Owners Manual - Manual (Page 167)

Audio system
165
Adjusting surround sound
With surround sound, you can choose
between LOGIC
7 ® On and LOGIC 7 ® Off.
X Press button ´ repeatedly until Sound
appears in the audio display.
or
X Select Sound £ Sound.
A dot R indicates the current setting.
X Selecting setting: Slide r m q or rotate
y m z .
X Saving setting: Press n.
The setting is stored and the menu is
exited.
X Exiting menu without saving: Press
button í or slide o m p .
i Balance and fader will be set to the default
value (0/0) automatically by activating or
deactivating LOGIC
7 ® .
i Please note the following:
R For an optimal sound experience from all
seats, the balance and fader should be
adjusted to the center of the passenger
compartment with LOGIC
7 ® switched
on.
R The best sound results are achieved
when playing high-quality audio CDs.
R For MP3 tracks, the bit rate should be at
least 128 kbit/s.
R Surround playback cannot be activated
in mono-signal sources as AM or
Weatherband. It will not function for
mono-signal sources as, e.
g. mono audio
tracks on some specific audio CDs.
R In the case of poor radio reception
quality, e.
g. in tunnels, LOGIC 7 ® should
be switched off, as otherwise a dynamic
switchover from stereo to mono and thus
temporary sound characteristic shifts
can occur.
R With certain stereo recordings, the
resulting sound characteristic may
deviate from conventional stereo
playback.
SYS menu
System settings menu overview
Menu
System
Display ( Y page 165)
Brightness
Day Mode
Night Mode
Automatic
Activate Bluetooth ®
( Y page 166)
Reset ( Y page 166)
Language ( Y page 166)
Display settings
You can adapt the brightness of the audio
display to the prevailing light conditions.
Setting the display design
X ê £ System £ Display.
X Select Brightness, Day Mode, Night
Mode or Automatic.
Controls in detail
Z