Clarion DUZ385SAT Owner's Manual page 37

Problem
No sound heard The device contains no MP3/
WMA/AAC files.
The files are not proper MP3/
WMA/AAC format.
Connectors are loose.
Sound is The MP3/WMA/AAC files are
interrupted or has improperly encoded.
noise.
The device isn't The device is damaged.
recognized.
Connectors are loose.
According to the state of
operation on the device, the
communication fault is
caused.
Can't insert the The devices has been
device. inserted improperly.
The connector is broken.
Cause
Record MP3/WMA/AAC files properly to the device.
Use only properly encoded MP3/WMA/AAC files.
Disconnect the device and reconnect securely.
Use only properly encoded MP3/WMA/AAC files.
Disconnect the device and reconnect. If the device is
still not recognized, try replacing with a different
device.
Disconnect the device and reconnect.
Try reversing the connection direction of the device
(usually the brand name surface should be facing
left).
Replace with a new device.
Measure
DUZ385SAT
37