4-23
Multimedia System
4
Information
- Using the USB Device
• To use an external USB device,
make sure the device is not connect-
ed when starting up the vehicle.
Connect the device after starting up.
• If you start the engine when the
USB device is connected, it may
damage the USB device. (USB flash-
drives 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 inauthen-
tic 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 electrici-
ty when connecting or disconnecting
the external USB device.
(Continued)(Continued)
• An encrypted MP3 PLAYER is not
recognizable.
• Depending on the condition of the
external USB device, the connected
external USB device can be unrec-
ognizable.
• When the formatted byte/sector set-
ting 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 recogniz-
able.
• Make sure the USB connection ter-
minal does not come in contact with
the human body or other objects.
• If you repeatedly connect or discon-
nect the USB device in a short peri-
od 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 capacity
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.
(Continued)
i
4-64
Multimedia System
MP3 File Information
• Supported Audio Formats
❈ 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)
2. Sampling Frequencies (Hz)• 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
MPEG1MPEG2MPEG2.5WMA
44100220501102532000
48000240001200044100
300016000800048000
MPEG1MPEG2MPEG2.5WMA
Layer3Layer3Layer3High Range
328848
40161664
48242480
56323296
644040128
804848160
965656192
1126464
1288080
1609696
192112112
224128128
256144144
320160160
BIT RATE(kbps)
File System
ISO 9660 Level 1
ISO 9660 Level 2
Romeo /
Juliet (128 characters)
Audio
Compression
MPEG1 Audio Layer3
MPEG2 Audio Layer3
MPEG2.5 Audio Layer3
Windows Media Audio
Ver 7.X & 8.X
