Functions during a single call, Sending dtmf tones, On/off – Mercedes-Benz C-Class 2009 Owners Manual User Manual
Page 205: Controls in detail
Audio system
203
X
Accepting: Press button
s
on audio
control unit or on the multifunction steering
wheel.
or
X
Press
n
.
X
Rejecting: Press button
t
on audio
control unit.
or
X
Slide
o
m or rotate
y
m
z
the audio
controller to select Reject, and press n
to confirm.
The call is rejected.
If you have accepted the call using the audio
control unit, audio controller, or the
multifunction steering wheel, the call will be
conducted via the hands-free system. The
volume of the call can be adjusted
(
Further operating functions can be found in
the “Functions during a single-call” section
(
You can also accept a call if the audio display
is showing a screen other than the telephone
mode screen. After accepting the call, the
display switches to the phone display. Once
the call is over, the display for the previous
mode will appear again.
Switching hands-free microphone on or
off
The menu bar changes when you make or
receive a call. Instead of the Call Lists
menu item, Mic Off or Mic On will appear.
X
Switching off: Select Mic Off.
The following message will flash up on the
display: The microphone is off.
When the microphone is switched off the
symbol
>
appears in the main area.
X
Switching on: Select Mic On.
The following message will flash up on the
display: The microphone is on.
The microphone is switched on and the
symbol
>
disappears in the main area.
i
You can also switch the microphone on or
off by pressing button
F
.
Sending DTMF tones
i
This function is not possible with all
mobile phones.
Answering machines or other devices can be
controlled via DTMF tones, e.
g. for remote
query functions.
X
Transmitting individual characters:
During a call select the required
characters.
or
X
Press the corresponding button on the
audio control unit.
Every selected character is transmitted
immediately.
X
Transmitting a phone number of a
phone book entry as a sequence of
characters: Select Name.
X
Select the desired phone book entry.
The entry is transmitted immediately as a
sequence of characters.
X
Switching back to call display: Select
Back.
Controls in detail
Z