Mercedes-Benz Audio 20 Operating Instructions Manual page 45

Symbo Explanation
l
Ñ
Mobile phone in range and
authorized
Ñ
Mobile phone not in range, but
(gray) already authorized
The Bluetooth ® telephone list shows all
mobile phones within range and all previously
authorized mobile phones, whether or not
they are in range.
i
If the Bluetooth ® telephones list is already
full, you will be requested to de-authorize a
mobile phone ( page 45). If Audio 20
Y
does not find your mobile phone, external
authorization ( page 44) may be
Y
necessary.
i
If you call up the telephone list again, the
unauthorized devices are removed from the
list. To update the Bluetooth
list, start a new search.
Authorizing a mobile phone
Select the mobile phone that is not yet
X
authorized from the Bluetooth
by turning cVd the controller.
Select the list symbol to the right of the
X
entry by sliding VY the controller and
press W to confirm.
Select Authorize and press W to confirm.
X
The input menu for the passkey appears.
Telephony via the Bluetooth
The passkey is any one to sixteen-digit
number combination which you can choose
yourself. You must enter the same number
combination in Audio 20 and in the
Bluetooth
mobile phone operating instructions).
i
Some mobile phones require a passkey
with four or more digits.
If you want to reauthorize a mobile phone
following deauthorization, you can select a
different passkey.
To enter a passkey in Audio 20: press the
X
number keys in succession.
¬is highlighted after the first number
has been entered.
or
Select the numbers one after another by
X
turning cVd the controller and press W to
confirm. Then, select ¬.
To confirm an entry in Audio 20: press
X
®
telephone
W the controller.
Now enter the same passkey in the mobile
X
phone.
To make entries on the mobile phone: if
the Bluetooth
® phone list
will be requested to enter the passkey
(access code, code) (see the mobile phone
operating instructions).
Enter the same passkey in the mobile
X
phone as already entered in Audio 20.
i
After entering the passkey, you may also
need to enter a confirmation in your mobile
phone to connect calls. Please check your
mobile phone display.
If the Audio 20 display shows the
Authorization failed
may have exceeded the prescribed time
period. Repeat the procedure.
The mobile phone is connected to Audio 20
(authorized). You can now use the Audio 20
hands-free function to make calls on your
mobile phone.
®
interface
®
-capable mobile phone (see the
®
connection is successful, you
message, you
43
Z