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–
Under certain circumstances only the
phone book entries saved in the mobile
telephone or on the SIM card are trans-
ferred.
–
It is possible that phone book entries
with special characters cannot be dis-
played.
–
It may not be possible to transfer con-
tacts from social networks.
–
The number of phone book entries to be
saved is too high.
–
The data volume of the contact is too
large, for example due to saved informa-
tion such as memos.
Reduce the data volume of the contact.
–
A mobile telephone is only connected as
an audio source.
Reconfigure the mobile telephone and
connect it with the telephone function.
How can the telephone connection quality
be improved?
–
Depending on the mobile telephone, it
may be possible to adjust the strength of
the Bluetooth signal on the mobile tele-
phone.
If all the points on the list have been re-
viewed and the desired function cannot be
performed, contact the Hotline, a Service
Partner of the manufacturer or another
qualified Service Partner or a specialist
workshop.
USB connection
General
Mobile devices with a USB port are connec-
ted to the USB interface.
–
Mobile telephones.
–
Audio devices with a USB port, for ex-
ample MP3 players.
–
USB storage devices.
Online Edition for Part no. 01402988211 - II/18
General settings
Common file systems are supported.
Formats FAT32 and exFAT are recom-
mended.
The following uses are possible:
–
Playback of music files via USB audio.
When connecting, bear the following in
mind:
–
Do not use force when inserting the
plug into the USB interface.
–
Use a flexible adapter cable.
–
Protect the USB device from mechanical
damage.
–
Due to the large variety of USB devices
available on the market, operation via
the vehicle cannot be ensured for every
device.
–
Do not expose the USB devices to ex-
treme environmental conditions, for ex-
ample very high temperatures, see the
operating instructions of the device.
–
Due to the large variety of different
compression techniques, correct play-
back of the media stored on the USB de-
vice cannot be guaranteed in every case.
–
A connected USB device is supplied
with charging current via the USB inter-
face if the device supports this.
–
To ensure correct transfer of the stored
data, do not charge a USB device from
the socket in the vehicle when the de-
vice is also connected to the USB inter-
face.
–
Depending on how the USB device is be-
ing used, it may be necessary to perform
settings on the USB device, see the op-
erating instructions of the device.
Unsuitable USB devices:
–
USB hard drives.
–
USB hubs.
–
USB memory card reader with several
inserts.
OVERVIEW
47
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