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Hi-MD discs can also be used as a computer storage medium for non-audio data such as text and images. This recorder supports Hi-MD only. For more details on Hi-MD, refer to the supplied flyer “What you can do with the Hi-MD Walkman”. About ATRAC3plus ATRAC3plus is an enhanced version of ATRAC3. Compared to ATRAC3 (used in LP2 and LP4 recording mode of MiniDisc components), which attains a compression ratio 10 times higher than that of a CD, ATRAC3plus (used in Hi-SP and Hi-LP mode of the recorder) achieves a higher compression ratio that is 20 times higher than that of a CD, but with no loss in sound quality. “Hi-MD mode” and “MD mode” This recorder has two operation modes, “Hi-MD mode” and “MD mode”. The operation mode is automatically recognized whenever the disc is inserted. • When using a 1GB Hi-MD disc, the operation mode will only be Hi-MD. • When using a standard disc (60/74/80 minutes), the operation mode can be set as follows. Disc condition Operation mode Blank disc The mode set for the “Disc Mode” in the menu.1) , When recording on this recorder without using a computer, set “Disc Mode” to “Hi-MD” so that the operation mode will be “Hi-MD mode”. The disc contains material recorded in Hi-MD mode Hi-MD The disc contains material recorded in MD mode MD , You cannot use this recorder to record in MD mode without using a computer. Recording in “MD mode” is possible if you use the supplied software. 1) Refer to “Selecting the disc mode (Disc Mode)” (page 58) for the “Disc Mode” setting. About Linear PCM Linear PCM is a digital, non-compressed audio coding system. You can enjoy high-quality sound equal to that of CDs by recording in this mode. The meaning of “no sound” “No sound” describes a recorder condition in which the input level is about 4.8 mV during analog input or less than –89 dB during optical (digital) input (with 0 dB as full bit (the maximum recordable level for a MiniDisc)). About “System File” The system file is space on the disc that is used to store information other than audio files; for instance, track numbers. If the MiniDisc were a book, the system file would correspond with the index or table of contents. The recorder rewrites the system file whenever an operation such as recording, adding or deleting track marks, or moving tracks has been done. (“SYSTEM FILE WRITING” appears in the display when the recorder is rewriting the system file.) While the recorder is writing disc information, make sure not to move or jog the recorder or disconnect the power source as this may cause the information to be incorrectly recorded or the disc contents to be lost. List of the recording time for each disc When using a disc in Hi-MD mode When recording on the recorder Recording time1) Recording mode on the recorder Codec/ Bit rate 1GB Hi-MD disc 80-minute standard disc 74-minute standard disc 60-minute standard disc PCM Linear PCM/ 1.4Mbps 1 hour and 34 minutes 28 minutes 26 minutes 21 minutes Hi-SP ATRAC3plus/ 256kbps 7 hours and 55 minutes 2 hours and 20 minutes 2 hours and 10 minutes 1 hour and 40 minutes Hi-LP ATRAC3plus/ 64kbps 34 hours 10 hours and 10 minutes 9 hours and 20 minutes 7 hours and 40 minutes When transferring from the computer Recording time1)2) Codec/Bit rate 1GB Hi-MD disc 80-minute standard disc 74-minute standard disc 60-minute standard disc Linear PCM/1.4Mbps 1 hour and 34 minutes 28 minutes 26 minutes 21 minutes ATRAC3plus/256kbps 7 hours and 55 minutes 2 hours and 20 minutes 2 hours and 10 minutes 1 hour and 40 minutes ATRAC3plus/64kbps 34 hours 10 hours and 10 minutes 9 hours and 20 minutes 7 hours and 40 minutes ATRAC3plus/ 48 kbps 45 hours 13 hours and 30 minutes 12 hours and 30 minutes 10 hours ATRAC3/132kbps 16 hours and 30 minutes 4 hours and 50 minutes 4 hours and 30 minutes 3 hours and 40 minutes ATRAC3/105kbps 20 hours and 40 minutes 6 hours and 10 minutes 5 hours and 40 minutes 4 hours and 40 minutes ATRAC3/66kbps 32 hours and 40 minutes 9 hours and 50 minutes 9 hours 7 hours and 20 minutes MP3/128kbps 17 hours 5 hours 4 hours and 30 minutes 3 hours and 30 minutes 1) Approximate time 2) When transferring 4-minute tracks When using a disc in MD mode You cannot record in MD mode on this recorder. When transferring from the computer Recording time1)2) Codec/Bit rate 80-minute standard disc 74-minute standard disc 60-minute standard disc ATRAC(stereo)/292kbps 80 minutes 74 minutes 60 minutes ATRAC3/132, 105kbps 2 hours and 40 minutes 2 hours and 28 minutes 2 hours ATRAC3/66kbps 5 hours and 20 minutes 4 hours and 56 minutes 4 hours 1) Approximate time 2) When transferring 4-minute tracks About recordable audio formats The audio formats that can be recorded on this recorder vary according to the disc type and recording method. Check the following table for details. Disc type Recording method Format Component used for playback Component that supports Hi-MD1) Component that supports MDLP2) MD component 1GB Hi-MD disc When recording on the recorder Hi-MD When transferrin...