XPress the:button repeatedly until the
menu bar is selected.
XSelect BT Audio.
The currently selected playback option is
indicated by the #dot.
XTo select a playback option : selectNor‐
mal Track SequenceorRandom Tracks.
You will hear the tracks in the desired play-
back option. If you have selected Random
Tracks, the display in the display/selec-
tion window shows Random
in front of the
symbol for the audio device.
XTo exit the menu: press the%button.
Setting the volume
If you play audio files from a Bluetooth®
device, it is possible that the volume may
need to be significantly increased. You can
therefore select from two volume options:
Volume
optionOperation
StandardThe Bluetooth®device is
played back at a normal vol-
ume.
BoostThe Bluetooth®device is
played back louder.
XPress the :button repeatedly until the
menu bar is selected.
XSelect BT Audio.
XSelectVolume.
The current volume option is identified by
the #dot.
XTo select the volume option : select
Standard
or Boost.
You have set the volume option.
XTo exit the menu : press the%button.
AUX function
Connecting an external device
You can connect an external device to Audio
15 and play it back via the speakers.
The AUX jack intended for this purpose
(3.5 mm stereo audio jack) is located in the
stowage compartment on the driver's side of
the dashboard.
XConnect an external device to the AUX
jack.
iAn adapter cable is required for the AUX
jack.
iIf you connect an external device, Audio
15 does not automatically switch over to
the AUX function.
Selecting the AUX function
XPress the Õbutton repeatedly until the
display shows Aux
.
Audio 15 plays the external device and pro-
duces sound through the loudspeakers
again.
AUX function47
Audio
Z
Alternatively, you can select the AUX function
in the main menu bar.
XPress the9button repeatedly until the
main menu bar is selected.
XSelect Audio.
The display shows all available audio sour-
ces in a selection list.
XSelect Aux.
You can also select the AUX function accord-
ingly when the SD, USB or BT Audio function
is active.
XPress the mbutton.
or
XPress the :button repeatedly until the
menu bar is selected.
XSelect Media.
The display shows all available audio sour-
ces in a selection list.
XSelect Aux.
Increasing the volume
If you connect an external device via its head-
phones jack, it may be the case that the vol-
ume must be increased significantly. You can
therefore select from two volume options:
Volume
optionOperation
StandardThe external device playback
is at a normal volume.
BoostThe external device playback
is louder.
XPress the :button repeatedly until the
menu bar is selected.
XSelect Volume.
The current volume option is identified by
the #dot.
XTo select the volume option: select
Standard
orBoost.
You have set the volume option.
XSet the Audio 15 volume to an average
value.
XConnect the external device and select the
AUX function.
XIncrease the volume of the external equip-
ment as much as possible without distor-
tion.
XSet the desired Audio 15 volume.
48AUX function
Audio
Requirements for SD memory
cards/USB devices
SD memory cards
ModelSD, SDHC
Capacitymax. 32 GB
FormatFAT/FAT32
iSD memory cards are available in many
different sizes. Therefore, it cannot be guar-
anteed that playback is possible with every SD memory card.
USB devices
The following USB devices are supported:
RUSB sticks
Rcertain MP3 players
ModelUSB 2.0
FormatFAT/FAT32, maximum
of 4 primary partitions
Electrical con-
sumption800 mA
iUSB devices are available in many differ-
ent sizes. Therefore, it cannot be guaran-
teed that playback is possible with every
USB device.
iDo not use a USB extension cable.
iDo not use a spiral cable for the USB port.
Supported file formats
SD memory card/
USB deviceMP3, AAC, WMA, WAV,
MP4, M4A, M4B (max-
imum 2 channels)
BT AudioSBC, MP3
iTo shorten the initialization period, only
load music files onto the USB device, if
possible.
iUnsupported file formats are not dis-
played.
Audio 15 does not support any DRM (Digital
Rights Management) coded files.
Apple device support
You can play music files stored on Apple devi-
ces via AUX, USB or BT Audio. The following
Apple devices are supported:
RiPod®classic, 6th generation onwards
(limited support for 5th generation)
RiPod®nano, 3rd generation onwards (limi-
ted support for 1st and 2nd generations)
RiPod®touch
RiPhone®
iiPod®and iPhone®are registered trade-
marks of Apple Inc., Cupertino, California,
USA.
SD memory card/USB device file
structure
Maximum number
of folders per direc-
tory200
Maximum number
of tracks per direc-
tory1000
Maximum number
of tracks in "Ran-
dom tracks" random
playback300
50SD memory card/USB device file structure
Technical data
