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26 DB285USB
USB
No sound heard USB memory device contains
no MP3/WMA files.
Record MP3/WMA files properly to USB memory
device.
The files are not proper MP3/
WMA format.
Use only properly encoded MP3/WMA files.
Files are DRM copyright
protected.
See page 17 for details on how to cancel DRM
protection.
Connectors are loose. Disconnect the device and reconnect securely.
Sound is
interrupted or has
noise.
The MP3/WMA files are
improperly encoded.
Use only properly encoded MP3/WMA files.
USB memory
device isn’t
recognized.
USB memory device is
damaged.
Disconnect USB memory device and reconnect. If the
device is still not recognized, try replacing with a
different USB memory device.
Connectors are loose.
Can’t insert USB
memory device.
USB memory device has
been inserted improperly.
Try reversing the connection direction of USB
memory device (usually the brand name surface
should be facing left).
The connector is broken. Replace with a new USB memory device.
Problem Cause Measure