Sony Walkman NW-E403 Operating Instructions Manual page 45

Symptom
The number of audio files
that can be transferred is
limited. (Available
recording time is short.)
Operation of the Network
Walkman becomes unstable
while it is connected to the
computer.
"Failed to authenticate
Device/Media" is displayed
on the computer screen
while connecting the
Network Walkman to the
computer.
Other
Symptom
There is no beep sound
when your Network
Walkman is operated.
Your Network Walkman
gets warm.
Cause/Remedy
• The free space of the built-in flash memory where you want to
transfer to is not enough for the size of audio files you wish to
transfer.
c Transfer any unnecessary audio files back to the computer to
increase free space.
• Non-audio data is stored in the built-in flash memory where you
want to transfer audio files to.
c Move non-audio data to the computer to increase free space.
USB hub or USB extension cable is used.
c Connecting via a USB hub or USB extension cable is not
guaranteed. Connect the dedicated USB cable directly to the
computer.
Your Network Walkman is not connected to the computer properly.
c Quit the SonicStage software and verify the connection of the
dedicated USB cable. Restart the SonicStage software.
Cause/Remedy
Beep is set to "Beep OFF".
c In the menu mode, set "Beep" to "Beep ON" (page 36).
While charging, your Network Walkman may become slightly warm.
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