Kenwood DDX635WBT Instruction Manual page 60

REFERENCES
Unplayable discs
• Unplayable disc types and formats are as follows:
– DVD-Audio/DVD-ROM discs
– MPEG4 /JPEG/FLAC/MKV/DVD+VR/DVD-RAM
recorded on DVD-R/RW or +R/+RW
– SVCD (Super Video CD), CD-ROM, CD-I (CD-I
Ready), DTS-CD
– MPEG4/JPEG/FLAC/MKV recorded on CD-R/RW
• Discs that are not round.
• Discs with coloring on the recording surface or
discs that are dirty.
• Recordable/ReWritable discs that have not been
finalized.
• 8 cm discs. Attempting to insert these discs using
an adapter may cause malfunction.
DualDisc playback
The Non-DVD side of a "DualDisc" does not comply
with the "Compact Disc Digital Audio" standard.
Therefore, the use of Non-DVD side of a DualDisc on
this product cannot be recommended.
Playing Recordable/Rewritable discs
• This unit can recognize a total of 64 770 files and
254 folders (a maximum of 255 files per folder).
• Use only "finalized" discs.
• This unit can play back multi-session discs;
however, unclosed sessions will be skipped while
playing.
• Some discs or files may not be played back due to
their characteristics or recording conditions.
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❏ About data stored in the connected
USB device/iPod/iPhone
• We bear no responsibility for any loss of data in an
iPod/iPhone and USB mass storage class device
while using this unit.
❏ USB playback
Playable files on a USB device
• This unit can play the following types of files
stored in a USB mass storage class device.
– JPEG/BMP/PNG/MPEG1/MPEG2/MP3/WMA/
WAV/AAC/FLAC/H.264/WMV (VC-1)
• This unit can recognize a total of 5 000 files and
250 folders (a maximum of 999 files per folder).
• Make sure all important data has been backed up
to avoid losing the data.
Notes on using a USB device:
• This unit may not play back files in a USB device
properly when using a USB extension cable.
• USB devices equipped with special functions such
as data security functions cannot be used with the
unit.
• Do not use a USB device with 2 or more partitions.
• Depending on the shape of the USB devices and
connection ports, some USB devices may not be
attached properly or the connection might be
loose.
• This unit may not recognize a memory card
inserted into the USB card reader.
• When connecting with a USB cable, use the USB
2.0 cable.
• The maximum number of characters (when the
characters are 1 byte):
– Folder names: 128 characters
– File names: 128 characters
• Avoid using the USB device if it might affect
driving safety.
• Do not pull out and connect the USB device
repeatedly while "Reading..." is shown on the
screen.
• Electrostatic shock at connecting a USB device
may cause abnormal playback of the device. In this
case, disconnect the USB device then reset this
unit and the USB device.
• Operation and power supply may not work as
intended for some USB devices.
• Do not leave a USB device in the car, or expose to
direct sunlight or high temperatures to prevent
deformation or damage to the device.