Sony NW-S4 - Manual (Page 21)

Other Information
21
cIf the song has a limited playing
period or playing count, you may
not be able to check it out to
Network Walkman, depending on
the restrictions set by the copyright
holders. For details on the settings
of each song, contact the service, or
see the OpenMG Web site.
cYou may be trying to check out 100
or more songs to Network
Walkman. The maximum number of
songs that can be checked out to
Network Walkman is 99.
Your computer does not authenticate
Network Walkman.
cThere is a communication error
between your computer and
Network Walkman. Disconnect the
USB cable, reconnect it, and then
restart OpenMG Jukebox.
cYou are using a USB hub. Network
Walkman may not work when
connected to certain USB hubs.
Connect the USB cable to your
computer’s USB port.