Mercedes-Benz 2003 C 240 Automobile User Manual


 
182
Controls in detail
Audio system
Telephone* operation
Various car telephone functions and oper-
ating steps for the car telephone can be
performed and displayed via the audio sys-
tem.
Further operating instructions not covered
here can be found in the operating instruc-
tions for the multifunction steering wheel,
voice control system* and the car tele-
phone.
Switching on the telephone
̈ Press the h button.
̈ If you have programmed an unlock
code for the telephone, you must input
the code now.
̈ Press the
OK
key.
The telephone is unlocked. If you enter
the wrong code, you must re-enter the
correct code.
Switching off the telephone
̈ Press the h button repeatedly until
PHONE OFF
appears in the display.
The receiving symbol in the display dis-
appears.
Adjusting the volume
̈ Turn control knob a during tele-
phone operation.
The volume increases or decreases de-
pending on the direction in which the
knob is turned.
Placing a call
Entering a telephone number and start-
ing the dialing process
̈ Enter the desired telephone number
using buttons 1 to 0.
The number can have up to 32 digits,
but only 17 of these are visible on the
display.
̈ If necessary, correct the number en-
tered with the
CLR
key. Press the key
briefly to delete the last digit entered,
press the key and hold to delete the
complete number.
̈ After the correct telephone number
has been entered, press the
SND
key.
i
The volume can be adjusted separately
for the telephone, voice control
system* and radio.