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237
Controls in detail
Audio system
Using your Mercedes-Benz specified
mobile telephone*, a number of functions
and operating steps can be performed and
displayed in the audio system display.
Further operating instructions not covered
here can be found in the operating instruc-
tions for the multifunction steering wheel
and the mobile telephone*.
If your audio system is set up for telephone
operation, the t symbol will appear in
the display.
When you insert your Mercedes-Benz
specified mobile telephone* into the
telephone cradle, you will be prompted to
enter your PIN for 30 seconds
(
୴ page 237). This display disappears
when you press any button.
When your mobile telephone* is inserted
into the telephone cradle, you will see the
reception strength in the upper right-hand
corner of the display.
Switching on the telephone
Switching on the telephone
̈ Press h button.
If you have programmed an unlock
code for the telephone, you must now
enter the code.
̈ Enter code using buttons 1
to R.
̈ 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.
̈ Press
OK
soft key after entering correct
code.
The telephone is unlocked. If you have
entered an incorrect code, you must
enter the correct code.
Switching off the telephone
̈ Press h button for approx.
3 seconds.
PROCESSING
appears in the display until
the telephone is off. Afterward,
PHONE OFF
appears in the display.
Adjusting the volume
̈ Turn rotary control ofEbutton
during a telephone call.
The volume will increase or decrease
depending on the direction turned.
i
The volume can be adjusted separately
for telephone mode and audio mode.