Notes
•Do not remove the USB device during transferring or erase operations. Doing so may corrupt the data on the USB device or damage the USB device itself.
•Do not connect the system and the USB device through an USB hub.
•You cannot eject the disc during transferring from disc to USB.
•When transferring from an MP3 disc, MP3 files are transferred with the same bit rate as the original MP3 files.
When transferring from other sound source, the tracks are transferred as 128 kbps MP3 files.
•While transferring from an MP3 disc, no sound is output.
•If you cancel the transferring partway, an MP3 file is created up to the point when the transferring was stopped.
•Transferring stops automatically if:
–the USB device runs out of space during transferring.
–the number of audio files on the USB device reaches the limit for the number that the system can recognize.
•A folder that contains
•The maximum number of folders that can be created on a single USB device by this system is 997.
The maximum number of MP3 files that can be created on a single USB device by this system is 999.
The maximum number of audio files and folders may vary depending on the audio file and folder structure.
•If a folder or file that you are trying to transfer already exists on the USB device with the same name, a sequential number is added after the name without overwriting the original folder or file.
•If you perform transferring after the erase operation, the new transferred files or folders may have the name that same as the erased files or folders. Therefore, the playback sequence may different from the transferring sequence.
Listening to music of an USB device
You can listen to music stored in an optional USB device by connecting it to
the 
(USB) port on the unit.
The audio formats that can be played back by this system are as follows: MP3*/WMA*/AAC*
When playback from a USB device, you can select the internal memory or memory card as a playback source. For details, see steps 1 to 6 of “To select the transferring destination on the USB device” (page 22). See “Compatible devices with this system” (page 52) for a list of USB devices that can be connected to this system.
*Files with copyright protection (Digital Rights Management) cannot be played back by this system.
Files downloaded from an online music store may not be played back by this system.
1 Press USB (or FUNCTION +/– on the remote repeatedly to select “USB”).2 Connect an optional USB deviceto the
(USB) port on the unit.When the USB device is connected, the display changes as follows: USB Reading t volume label*
*“Storage Drive” appears when there is no volume label assigned to the USB device. “WALKMAN” appears when a Sony digital music player is connected.
Note
Depending on the type of USB device, it may take a few seconds before “USB Reading” appears in the display.
3 Press HS on CHANNEL B (or N on the remote).