JVC KD-A315 Instructions Manual page 27

Some CD-Rs or CD-RWs may not play back on
o
this unit because of their disc characteristics,
or for the following reasons:
-Discs are dirty or scratched.
-Moisture condensation has occurred on the
lens inside the unit.
-The pickup lens inside the unit is dirty.
-The files on the CD-R/CD-RW are written
using the "Packet Write" method.
-There are improper recording conditions
(missing data, etc.) or media conditions
(stained, scratched, warped, etc.).
CD-RWs may require a longer readout time
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since the reflectance of CD-RWs is lower than
that of regular CDs.
Do not use the following CD-Rs or CD-RWs:
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-Discs with stickers, labels, or a protective seal
stuck to the surface.
-Discs on which labels can be directly printed
by an inkjet printer.
Using these discs under high temperature
or high humidity may cause malfunctions or
damage to the unit.
Playing an MP3/WMA disc
This unit can play back MP3/WMA files with
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the extension code <.mp3> or <.wma>
(regardless of the letter case-upper/lower).
This unit can show the names of albums,
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artists (performer), and Tag (Version 1.0, 1.1,
2.2, 2.3, or 2.4) for MP3 files and for WMA files.
This unit can display only one-byte characters.
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No other characters can be correctly
displayed.
This unit can play back MP3/WMA files
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meeting the conditions below:
-Bit rate: 8 kbps - 320 kbps
-Sampling frequency:
48 kHz, 44.1 kHz, 32 kHz (for MPEG-1)
24 kHz, 22.05 kHz, 16 kHz (for MPEG-2)
-Disc format: ISO 9660 Levell/Level2,
Romeo, Joliet, Windows long file name
The maximum number of characters for
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file/folder names vary depending on the
disc format used (includes 4 extension
characters-<.mp3> or <.wma».
-ISO 9660 Levell: up to 12 characters
-ISO 9660 Level 2: up to 31 characters
-Romeo: up to 128 characters
-Joliet: up to 64 characters
-Windows long file name: up to 128
characters
This unit can recognize a total of 512 files, 255
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folders, and 8 hierarchical levels.
This unit can play back files recorded in VBR
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(variable bit rate).
Files recorded in VBR have a discrepancy
in the elapsed time display, and do not
show the actual elapsed time. In particular,
this difference becomes noticeable after
performing the search function.
This unit cannot play back the following files:
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-MP3 files encoded in MP3i and MP3 PRO
format.
-MP3 files encoded in an inappropriate
format.
-MP3 files encoded with Layer 1/2.
-WMA files encoded in lossless, professional,
and voice format.
-WMA files which are not based upon
Windows Media Audio.
®
-WMA files copy-protected with DRM.
-Files which have data such as AIFF, ATRAC3,
etc.
The search function works but search speed is
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not constant.
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