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28 CZ309
CD/MP3/WMA/AAC
No sound heard MP3/WMA/AAC files are
absent in a disc.
Write MP3/WMA/AAC files onto the disc properly.
Files are not recognized as
an MP3/WMA/AAC file.
Use MP3/WMA/AAC files encoded properly.
File system is not correct. Use ISO9660 level 1, 2 or JOLIET or Romeo or
APPLE ISO file system.
Sound skips or is
noisy.
Compact disc is dirty. Clean the compact disc with a soft cloth.
Compact disc is heavily
scratched or warped.
Replace with a compact disc with no scratches.
Sound is cut or
skipped.
Noise is
generated or
noise is mixed
with sound.
MP3/WMA/AAC files are not
encoded properly.
Use MP3/WMA/AAC files encoded properly.
Sound is bad
directly after
power is turned
on.
Water droplets may form on
the internal lens when the car
is parked in a humid place.
Let dry for about 1 hour with the power on.
Wrong filename File system is not correct. Use ISO9660 level 1, 2 or JOLIET or Romeo or
APPLE ISO file system.
USB/MTP/iPod
No sound heard The device contains no MP3/
WMA/AAC files.
Record MP3/WMA/AAC files properly to the device.
The files are not proper MP3/
WMA/AAC format.
Use only properly encoded MP3/WMA/AAC files.
Connectors are loose. Disconnect the device and reconnect securely.
Sound is
interru pted or has
noise.
The MP3/WMA/AAC files are
improperly encoded.
Use only properly encoded MP3/WMA/AAC files.
The device isn’t
recognized.
The device is damaged. Disconnect the device and reconnect. If the device is
still not recognized, try replacing with a different
device.
Connectors are loose.
According to the state of
operation on the device, the
communication fault is
caused.
Disconnect the device and reconnect.
Can’t insert the
device.
The device has been inserted
improperly.
Try reversing the connection direction of the device
(usually the brand name surface should be facing
left).
The connector is broken. Replace with a new de
vice.
Problem Cause Measure
DXZ385USB_ENG.book Page 28 Friday, October 17, 2008 1:52 PM