JVC KD-BT22 - Инструкция по эксплуатации - Страница 35

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REFERENCES

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•  File/folder list may not appear correctly if too many 

hierarchies and folders are used.

•  If the ejected disc is not removed within 15 seconds, 

the disc is automatically inserted again into the 
loading slot to protect it from dust. Playback starts 
automatically.

Playing a CD-R or CD-RW

•  Use only “finalized” CD-Rs or CD-RWs.
•  This unit can only play back files of the same type as 

those which are detected first if a disc includes both 
audio CD (CD-DA) files and MP3/WMA/AAC files.

•  This unit can play back multi-session discs; however, 

unclosed sessions will be skipped while playing.

•  Some CD-Rs or CD-RWs may not play back on 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 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/AAC disc

•  This unit can play back MP3/WMA/AAC files with 

the extension code <.mp3>, <.wma>, or <.m4a> 
(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 show WMA/AAC Tag.

•  This unit can display only one-byte characters. No 

other characters can be correctly displayed.

•  This unit can play back MP3/WMA/AAC 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
  AAC:
  –  Bit rate: 16 kbps — 320 kbps
  –  Sampling frequency:
    48 kHz, 44.1 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>, 
<.wma>, or <.m4a>).

  –  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.