Mercedes-Benz 2006 C 55 AMG Operator's Manual page 225

Controls in detail
Audio system
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If the PIN is entered incorrectly three
times, NEED PUK will appear in the
display. Enter PUK via your telephone.
Please refer to the separate telephone
operating instructions for more
information.
Adjusting the volume
Turn rotary control of N button
during a telephone call.
The volume will increase or decrease
depending on the direction turned.
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The volume can be adjusted separately
for telephone mode and audio mode.
Adjusting sound
Adjust sound during a telephone call.
Sound adjustment ( page 201).
224
Placing a call
Entering a telephone number and
starting the dialing process
Enter desired telephone number using
buttons 1 to R.
The number can have up to 32 digits,
but only twelve of these are visible in
the display.
If necessary, correct number entered
with the CLR soft key. Press soft key
briefly to delete the last digit entered;
press soft key and hold to delete the
complete number.
After correct telephone number has
been entered, press s button.
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If the telephone number has been
saved together with a name in the
telephone book, the name will appear
in the display.
Phone book
The numbers stored in the phone book of
the telephone can be called up either by
name or number.
In addition, incoming calls are stored in the
phone book.