maintenance MERCEDES-BENZ C-Class 2008 W204 Comand Manual

52 Audio
CD audio/DVD audio and MP3
Permissible storage media
CD-R and CD-RW
DVD+R and DVD+RW
DVD-R and DVD-RW
PCMCIA memory card (
page 57)
Permissible file systems
ISO9660/Joliet for CD storage media
UDF for DVDs
FAT16 or FAT32 for PCMCIA memory
card with storage medium
Multisession CDs
On multisession CDs, the content of the
first session determines how COMAND
handles the CD.
If the first session, for example, contains
data in audio CD format and the second
session contains MP3 tracks, COMAND
handles the CD as a conventional audio
CD. This means that the MP3 tracks can-
not be accessed.Similarly, if the first session contains MP3
tracks and the second session contains
d a t a i n a u d i o C D f ormat, COMAND handles
the CD as an MP3 CD. Only the MP3 tracks
can be accessed.
File structure of storage medium
When creating an MP3 storage medium,
you can organize MP3 tracks into folders.
A folder can also contain additional fold-
ers. A storage medium may have a maxi-
mum of 255 folders in total. A maximum of
255 tracks and 255 folders are permissible
per folder. A maximum of 4000 tracks in
total are permissible per storage medium.
Track names and folder names
When creating an MP3 storage medium,
you can assign names to the MP3 tracks
and to the folders.
COMAND uses these names in MP3 mode
for the corresponding display. Empty fold-
ers or folders containing data other than
MP3 tracks will not be displayed by
COMAND.
If MP3 files are stored in the root directory
itself, the root directory also counts as a
folder. COMAND will then display the root
directory name as a folder name.
CD audio/DVD audio and MP3
Safety instructions
G Warning
COMAND is classified as a Class 1 laser
product. You must not open the casing.
There is a risk of exposure to invisible laser
laser radiation if you open the casing, or if
the casing is faulty or damaged.
COMAND does not contain any parts that
you are able to maintain yourself. For safety
reasons, all maintenance work must be car-
ried out by qualified technicians.
G Warning
Only carry out the following when the vehi-
cle is stationary:
Inserting a disc
Ejecting a disc
There is a risk of accident by being distract-
ed from road and traffic conditions if you
load a CD/DVD while the vehicle is in mo-
tion.
Notes on MP3 mode

74 Video
DVD video
If the vehicle is travelling faster than ap-
proximately 3 MPH, the picture will switch
off automatically in DVD video mode.
The following message will then appear in
the display: “In order not to distract you
from the traffic situation, the picture is fad-
ed out while the vehicle is in motion.”.
As soon as the speed falls below approxi-
mately 3 MPH, the picture switches back
on again.
i When playing copied discs, problems may
occur with the playback.
A wide variety of disc-writing software and writ-
ers are available. Due to this variety we cannot
guarantee that the system will be able to play
discs that you have written/copied yourself
! Do not attach stickers or labels of any kind
to discs. They may come loose and damage
COMAND. Labels may also cause the disc to
bend, which may result in reading errors and
problems with disc recognition.
! COMAND has been designed for discs meet-
ing the requirements of standard EN 60908.
Therefore, only discs with a maximum thickness
of 1.3 mm can be used.
If a thicker disc is inserted, e. g. one which stores
data on both sides, (DVD on one side, audio data
on the other side), this cannot be ejected and
COMAND will be damaged.
Do not use 8 cm diameter discs, not even with an
adapter.
Only use round, 12 cm diameter discs.

Only touch the discs at the edges.

Handle discs with care in order to pre-
vent malfunctions during playback.

Avoid scratching, leaving fingerprints
and dust on the discs.

Clean the discs occasionally with a
commercially available cleaning cloth.
Always wipe in a straight line from the
inside outwards, never in a circular mo-
tion.

The discs must only be labelled using
pens specially designed for this pur-
pose.
DVD video
Safety instructions
G Warning
COMAND is classified as a Class 1 laser
product. You must not open the casing.
There is a risk of exposure to invisible laser
laser radiation if you open the casing, or if
the casing is faulty or damaged.
COMAND does not contain any parts that
you are able to maintain yourself. For safety
reasons, all maintenance work must be car-
ried out by qualified technicians.
G Warning
Only carry out the following when the vehi-
cle is stationary:

Inserting a disc

Ejecting a disc
There is a risk of accident by being distract-
ed from road and traffic conditions if you
load a CD/DVD while the vehicle is in mo-
tion.
Automatic picture switch-off
Notes on storage media
Notes on the care of discs