Mercedes-Benz 2007 C 230 Operator's Manual page 192

Adjusting sound functions
The bass and treble functions are called up
by pressing the O button.
Settings for bass and treble are stored
separately for the AM and FM wavebands,
weather band, CD mode and telephone
mode.
Bass
Press O button repeatedly until
BASS appears in the display.
Press + or – soft key to increase or
decrease tone level accordingly.
or
Press RES soft key briefly to reset bass
tones to their center level.
The radio switches back to the
standard radio menu 8 seconds after
the last soft key is pressed.
Adjusting treble
Press O button repeatedly until
TREBLE appears in the display.
Press + or – soft key to increase or
decrease tone level accordingly.
or
Press RES soft key briefly to reset treble
tones to their center level.
The radio switches back to the
standard radio menu 8 seconds after
the last soft key is pressed.
Controls in detail
Audio system
Sound system*
You can either program the sound settings
manually ( page 191) or choose settings
via preset sound characteristics.
You can select from among the following
settings:
STANDARD : conventional stereo sound.
SURROUND : the sound is set for better
three-dimensional acoustic character-
istics.
SPEECH : the sound is optimized for the
spoken word.
Press O button repeatedly until
STANDARD , SURROUND , or SPEECH
in the display.
Press X or Y soft key repeatedly
until the desired sound setting has
been reached.
The sound is set accordingly.
or
appears
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