7
• Before playing, clean the discs with a
commercially available cleaning cloth. Wipe
each disc from the centre out. Do not use
solvents such as benzine, thinner, commercially
available cleaners, or antistatic spray intended
for analogue discs.
Music discs encoded with copyright
protection
This product is designed to play back discs that
conform to the Compact Disc (CD) standard.
Recently, various music discs encoded with
copyright protection are marketed by some
record companies. Please be aware that among
those discs, there are some that do not conform to
the CD standard and may not be playable by this
product.
Notes on CD-Rs (recordable CDs)/CD-
RWs (rewritable CDs)
This unit can play the following discs:
• Some CD-Rs/CD-RWs (depending on the
equipment used for its recording or the
condition of the disc) may not play on this unit.
• You cannot play a CD-R/CD-RW that is not
finalized*.
• You can play MP3 files recorded on CD-
ROMs, CD-Rs, and CD-RWs.
• A CD-R/CD-RW to which a session can be
added can be played.
*
A process necessary for a recorded CD-R/CD-RW
disc to be played on the audio CD player.
About MP3 files
MP3 (MPEG 1 Audio Layer-3) is a standard
technology and format for compressing a sound
sequence. The file is compressed to about 1/10 of
its original size. Sounds outside the range of
human hearing are compressed while the sounds
we can hear are not compressed.
Notes on discs
You can play MP3 files recorded on CD-ROMs,
CD-Rs, and CD-RWs.
The disc must be in the ISO 9660*
1
level 1 or
level 2 format, or Joliet or Romeo in the
expansion format.
You can use a disc recorded in Multi Session*
2
.
*1
ISO 9660 Format
The most common international standard for
the logical format of files and folders on a
CD-ROM.
There are several specification levels. In
Level 1, file names must be in the 8.3 format
(no more than 8 characters in the name, no
more than 3 characters in the extension
“.MP3”) and in capital letters. Folder names
can be no longer than 8 characters. There can
be no more than 8 nested folder levels. Level
2 specifications allow file names up to 31
characters long.
Each folder can have up to 8 trees.
For Joliet or Romeo in the expansion format,
make sure of the contents of the writing
software, etc.
*2
Multi Session
This is a recording method that enables
adding of data using the Track-At-Once
method. Conventional CDs begin at a CD
control area called the Lead-in and end at an
area called Lead-out. A Multi Session CD is a
CD having multiple sessions, with each
segment from Lead-in to Lead-out regarded
as a single session.
CD-Extra: The format which records audio
(audio CD data) as tracks on session 1, and
records data as tracks on session 2.
Mixed CD: In this format, data is recorded as
track 1, and audio (audio CD data) is recorded
as track 2.
Type of discs
Label on the disc
Audio CD
MP3 files
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