JVC KD-APD89 User Manual

Page 268

ENGLISH

– 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 since the

reflectance of CD-RWs is lower than that of regular
CDs.

• Do not use the following CD-Rs or CD-RWs:
– Discs with stickers, labels, or a protective seal stuck

to the surface.

– Discs on which labels can be directly printed by an

ink jet 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 the

extension code <.mp3> or <.wma> (regardless of
the letter case—upper/lower).

• This unit can show the names of albums, 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. No

other characters can be correctly displayed.

• This unit can play back MP3/WMA files meeting the

conditions below:

MP3:
– Bit rate: 8 kbps — 320 kbps
– Sampling frequency: 48 kHz, 44.1 kHz, 32 kHz,

24 kHz, 22.05 kHz, 16 kHz, 12 kHz, 11.025 kHz,
8 kHz

WMA:
– Bit rate: 32 kbps — 192 kbps
– Sampling frequency: 48 kHz, 44.1 kHz, 32 kHz
– Disc format: ISO 9660 Level 1/Level 2, Romeo,

Joliet, Windows long file name

• The maximum number of characters for file/folder

names vary depending on the disc format used
(includes 4 extension characters—<.mp3> or
<.wma>).

– ISO 9660 Level 1: 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
* The parenthetic figure is the maximum number of

characters for file/folder names in case the total
number of files and folders is 271 or more.

• This unit can recognize a total of 512 files,

200 folders, and 8 hierarchical levels.

• This unit can play back files recorded in VBR (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:
– 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 not

constant.

Playing MP3/WMA/WAV tracks from a USB
device

• Connecting a USB device automatically changes the

source to “USB.”

• While playing from a USB device, the playback order

may differ from the one from other players.

• This unit may be unable to play back some USB

devices or some files due to their characteristics or
recording conditions.

• Depending on the shape of the USB devices and

connection ports, some USB devices may not be
attached properly or the connection might be loose.

• When connecting a USB mass storage class device,

refer also to its instructions.

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