Sony MPD-AP20U User Manual

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During playback, the remote control display shows the number and elapsed time of
the current track.

When you start playback the title of the song appears briefly (if there is no title
information, the file name appears), followed by the elapsed time. If the title of the
song is long, it scrolls across the display.

The backlight of the remote control display comes on when you use the remote
control and automatically goes off a few seconds after you finish using it.

You can play back the following discs and files with the drive.
• Commercially sold music CDs
• Original music CDs (discs in CD-DA format written to CD-R/RW discs)
• Music files written to CD-R/RW (MP3, WAV files)
• Music files written to DVD-R/RW (MP3, WAV files)
• Music files stored on “Memory Stick” (MP3, WAV files)

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• Depending on the device used for recording, the settings of the writing software, and the media type, you

may not be able to play back some recordings with the drive.

• For details about the types of music files that you can play back with the drive, see “Music Files” (page

MP3 stands for MPEG Audio Layer 3 and is audio compression technology. An audio file compressed in
the MP3 format is called an MP3 file. Because the compression ratio of MP3 files is very high, you can
write more than 100 five-minute tracks to a CD-R disc.

Default Windows file format in which sounds are saved as waveforms. Unlike MP3 files, WAV files are
uncompressed, so their sound quality is better. However, they are also 10 times larger than MP3 files.

Elapsed time

Track number