[. . . ] Registration Tip: The serial number is located on the bottom of the unit. ATRAC CD Walkman player ® ® For ATRAC CD Walkman technical support, including software updates: · Visit at www. sony. com/cdwalkmansupport SM QUICK REFERENCE GUIDE · Contact Sony Network Portable Audio Support Line at (866) 456-7669. SonicStageTM Simple Burner System Requirements: IBM® PC/AT or compatible Manufacturer Installed OS: Microsoft® Windows® XP Home Edition / Windows XP Professional / Windows Millennium Edition / Windows 2000 Professional / Windows 98 Second Edition CPU: Pentium® II 300 Mhz or higher (Pentium III 600 Mhz or higher recommended) Hard Disk Space: 200 MB or more (The amount of free space required differs according to the size of the audio files that you want to handle. [. . . ] Adobe Acrobat Reader installed for viewing the online help Notes: We do not ensure trouble-free operation on all computers that satisfy the system requirements. We do not ensure trouble-free operation of the system suspend, sleep, or hibernation function on all computers. . Sony Electronics Inc. One Sony Drive Park Ridge, NJ 07656 © 2003 Sony Electronics Inc. Sony, Walkman, Atrac, OpenMG, SonicStage, and their respective logos are trademarks of Sony Corporation. It is also recommended that you set the bit rate to 128 kbps, although your ATRAC CD Walkman player will support bit rates ranging from 16-320 kbps. 3 play Compact Disc Digital Audio CD-R/CD-RWs ATRAC3plus (default) 64kbps You can play back your custom CD-R/CD-RWs containing burned CDDA files on your ATRAC CD Walkman player. This choice gives you the ability to utilize either your PC (with CD burning application) or home burning deck to create custom CD-R/CD-RWs. 4 Burn: Transcode selected tracks to ATRAC3plus or ATRAC3 format, then write to CD-R/CD-RW. Note: SonicStageTM Simple Burner supports burning in ATRAC3plus / ATRAC format only. If you would like to utilize your CD-R/CD-RW in other CD players, you can use a separate software program to burn your CDs in another audio format (such as MP3 or CDDA). [. . . ] If you would like to utilize your CD-R/CD-RW in other CD players, you can use a separate software program to burn your CDs in another audio format (such as MP3 or CDDA). [. . . ]