72 En
Troubleshooting
■ USB
Problem Cause Remedy
See
page
The music files and
directories in the USB
device cannot be
viewed.
The music files and directories are placed
in locations other than the FAT area.
Place music files and directories in the FAT area.
—
You are attempting to browse directory
hierarchies of over 8 levels or a directory
with more than 500 files.
Modify the data structure on your USB device.
—
The USB device
cannot be recognized.
The connected USB device is other than a
USB mass storage class USB memory
device or USB portable audio player.
This unit can recognize only a USB mass storage
class USB memory device (except USB hard disk
drives) or USB portable audio player. Also note that it
cannot recognize certain USB devices even when they
are devices as described above.
43
Some devices may become easier to recognize when
they are inserted before turning this unit on.
21
“Disconnected” is
displayed even when
a USB device is
present.
This unit recognized the USB device as an
illegal device.
Turn this unit off then on again.
21
Status message Cause Remedy
See
page
Disconnected
Your USB memory device or USB
portable audio player has been
disconnected from the USB port of this
unit.
Check the connection between this unit and your
USB memory device or USB portable audio player.
—
There is a problem with the signal path
from your USB memory device or USB
portable audio player to this unit.
Turn off this unit and reconnect your USB memory
device or USB portable audio player to the USB port
of this unit.
43
Try resetting your USB memory device or USB
portable audio player.
—
Access error
This unit cannot access your USB
memory device or USB portable audio
player.
Try another USB memory device or USB portable
audio player.
—
There is a problem with the signal path
from your USB memory device or USB
portable audio player to this unit.
Turn off this unit and reconnect your USB memory
device or USB portable audio player to the USB port
of this unit.
43
Try resetting your USB memory device or USB
portable audio player.
—
Unable to play
No varied data is detected. Try another USB memory device or USB portable
audio player.
—
01EN_DSP-AX563_B.book Page 72 Friday, February 1, 2008 11:08 AM