About Atrac Cd; Maintenance - Sony CDX-R450 Operating Instructions Manual

• ID3 tag versions 1.0, 1.1, 2.2, 2.3 and 2.4 apply to
MP3 only. ID3 tag is 15/30 characters (1.0 and
1.1), or 63/126 characters (2.2, 2.3 and 2.4).
WMA tag is 63 characters.
Playback order of MP3/WMA files
MP3/WMA
Notes
• When naming an MP3 file/WMA file, be sure to add
the file extension ".mp3"/".wma" to the file name.
• During playback of a VBR (variable bit rate) MP3/
WMA file or fast-forward/reverse, elapsed playing
time may not display accurately.
• When the disc is recorded in Multi Session, only the
first track of the first session format is recognized
and played (any other format is skipped). The
priority of the format is CD-DA, ATRAC CD and
MP3/WMA.
– When the first track is a CD-DA, only CD-DA of the
first session is played.
– When the first track is not a CD-DA, an ATRAC CD
or MP3/WMA session is played. If the disc has no
data in any of these formats, "NO MUSIC" is
displayed.
Notes on MP3
• Be sure to finalize the disc before using on the unit.
• If you play a high-bit-rate MP3, such as 320 kbps,
sound may be intermittent.
Notes on WMA
• Files made with lossless compression are not
playable.
• Files protected by copyright are not playable.

About ATRAC CD

ATRAC3plus format
ATRAC3, which stands for Adaptive Transform
Acoustic Coding3, is audio compression
technology. It compresses audio CD data to
approximately 1/10 of its original size.
ATRAC3plus, which is an extended format of
ATRAC3, compresses the audio CD data to
approximately 1/20 of its original size. The unit
accepts both ATRAC3 and ATRAC3plus format.
ATRAC CD
ATRAC CD is recorded audio CD data which is
compressed to ATRAC3 or ATRAC3plus format
using authorized software, such as SonicStage 2.0 or
later, or SonicStage Simple Burner.
• The maximum number of:
– folders (groups): 255
Folder
– files (tracks): 999
(album)
• The characters for a folder/file name and text
information written by SonicStage is displayed.
MP3/WMA file
(track)
For details on ATRAC CD, see the SonicStage or
SonicStage Simple Burner manual.
Note
Be sure to create the ATRAC CD using authorized
software, such as SonicStage 2.0 or later, or
SonicStage Simple Burner 1.0 or 1.1.
If you have any questions or problems concerning
your unit that are not covered in this manual, consult
your nearest Sony dealer.

Maintenance

Replacing the lithium battery of the
card remote commander
Under normal conditions, the battery will last
approximately 1 year. (The service life may be
shorter, depending on the conditions of use.)
When the battery becomes weak, the range of the
card remote commander becomes shorter. Replace
the battery with a new CR2025 lithium battery. Use
of any other battery may present a risk of fire or
explosion.
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Notes on the lithium battery
• Keep the lithium battery out of the reach of children.
Should the battery be swallowed, immediately
consult a doctor.
• Wipe the battery with a dry cloth to assure a good
contact.
• Be sure to observe the correct polarity when
installing the battery.
• Do not hold the battery with metallic tweezers,
otherwise a short-circuit may occur.
WARNING
Battery may explode if mistreated.
Do not recharge, disassemble, or dispose of
in fire.
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