JVC KD-BT11 manual Bluetooth operations, Playing an MP3/WMA disc, Discs are dirty or scratched

•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 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:

–Bit rate of MP3: 32 kbps — 320 kbps

–Sampling frequency of MP3:

48 kHz, 44.1 kHz, 32 kHz (for MPEG-1)

24 kHz, 22.05 kHz, 16 kHz (for MPEG-2)

–Bit rate of WMA:

32 kbps — 192 kbps

–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	ENGLISH
– ISO 9660 Level 2: up to 31 characters
<.wma>).
– ISO 9660 Level 1: up to 12 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.

Bluetooth operations

General

•While driving, do not perform complicated operation such as dialing the numbers, using phone book, etc. When you perform these operations, stop your car in a safe place.

•Some Bluetooth devices may not be able to connect to this unit depending on the Bluetooth version of the device.

Continued on the next page

REFERENCES 29