Features of your vehicle
198 4
✽NOTICE - USING THE USB
DEVICE
• To use an external USB device,
make sure the device is not con-
nected when starting up the vehi-
cle. Connect the device after start-
ing up.
• If you start the engine when the
USB device is connected, it may
damage the USB device. (USB
flashdrives are very sensitive to
electric shock.)
• If the engine is started up or
turned off while the external USB
device is connected, the external
USB device may not work.
• The System may not play inau-
thentic MP3 or WMA files.
1) It can only play MP3 files with
the compression rate between
8Kbps ~ 320Kbps.
2) It can only play WMA music
files with the compression rate
between 8Kbps ~ 320Kbps.
• Take precautions for static elec-
tricity when connecting or discon-
necting the external USB device.
• An encrypted MP3 PLAYER is
not recognizable.
(Continued)(Continued)
• Depending on the condition of the
external USB device, the connect-
ed external USB device can be
unrecognizable.
• When the formatted byte/sector
setting of External USB device is
not either 512BYTE or
2048BYTE, then the device will
not be recognized.
• Use only a USB device formatted
to FAT 12/16/32.
• USB devices without USB I/F
authentication may not be recog-
nizable.
• Make sure the USB connection
terminal does not come in contact
with the human body or other
objects.
• If you repeatedly connect or dis-
connect the USB device in a short
period of time, it may break the
device.
• You may hear a strange noise
when connecting or disconnecting
a USB device.
(Continued)(Continued)
• If you disconnect the external USB
device during playback in USB
mode, the external USB device can
be damaged or may malfunction.
Therefore, disconnect the external
USB device when the audio is
turned off or in another mode.
(e.g, Radio, CD)
• Depending on the type and capac-
ity of the external USB device or
the type of the files stored in the
device, there is a difference in the
time taken for recognition of the
device.
• Do not use the USB device for pur-
poses other than playing music
files.
• Playing videos through the USB is
not supported.
• Use of USB accessories such as
rechargers or heaters using USB
I/F may lower performance or
cause trouble.
(Continued)
4271
Features of your vehicle
MP3 File Information
• Supported Audio Formats
ISO 9660 Level 1
ISO 9660 Level 2
Romeo / Juliet (128 characters)
MPEG1 Audio Layer3
MPEG2 Audio Layer3
MPEG2.5 Audio Layer3
Windows Media Audio Ver 7.X
& 8.X
❈ File formats that do not comply
with the above formats may not be
properly recognized or play with-
out properly displaying file names
or other information.
• Support for Compressed Files
1. Supported Bitrates (Kbps)
MPEG1 MPEG2 MPEG2.5 WMA
Layer3 Layer3 Layer3High Range
32 8 8 48
40 16 16 64
48 24 24 80
56 32 32 96
64 40 40 128
80 48 48 160
96 56 56 192
112 64 64
128 80 80
160 96 96
192 112 112
224 128 128
256 144 144
320 160 160
2. Sampling Frequencies (Hz)
MPEG1 MPEG2 MPEG2.5 WMA
44100 22050 11025 32000
48000 24000 12000 44100
3000 16000 8000 48000
• For MP3/WMA compression files,
differences in sound quality will
occur depending on the bitrate.
(Higher sound quality can be expe-
rienced with higher bitrates.)
• This device only recognizes files
with MP3/WMA extensions. Other
file extensions may not be properly
recognized.
3. Maximum number of recognized
folders and files
- Folder : 255 folders for CD, 2,000
folders for USB
- File : 999 files for CD, 6,000 files for
USB
❈ There are no limitations to the
number of recognized folder levels
File System
Audio
Compression
BIT RATE(kbps)
