28 ENGLISH
Symptom Remedy/Cause
iPod/iPhone playback
The iPod does not turn on or does not
work.
Check the connecting cable and its connection. / Charge the battery
of the iPod/iPhone. / Reset the iPod/iPhone. / Check whether
<IPOD SWITCH> setting is appropriate. (page 25)
The sound is distorted. Deactivate the equalizer on the iPod/iPhone.
Noise is generated. Turn off (uncheck) the “VoiceOver” feature of the iPod. For details,
visit <http://www.apple.com>.
Playback stops. The headphones are disconnected during playback. Restart the
playback operation. (page 19)
“NO FILE” appears on the display. Check whether the device contains playable files.
“CANNOT PLAY” flashes on the display. Check whether the connected iPod/iPhone is compatible with this
unit. (page 21)
Additional information
• This unit can play back multi-session discs; however,
unclosed sessions will be skipped while playing.
• This unit can play back files with the extension code
<.mp3>, <.wma>, or <.wav> (regardless of the
letter case—upper/lower).
• This unit can play back the files meeting the conditions
below:
For MP3/WMA discs:
– Bit rate: MP3/WMA: 5 kbps — 320 kbps
– Sampling frequency:
MP3: 32 kHz, 44.1 kHz, 48 kHz (for MPEG-1)
16 kHz, 22.05 kHz, 24 kHz (for MPEG-2)
WMA: 8 kHz — 48 kHz
For USB devices:
MP3: – Bit rate: 32 kbps — 320 kbps (MPEG-1)
8 kbps — 160 kbps (MPEG-2)
– Sampling frequency:
32 kHz, 44.1 kHz, 48 kHz (for MPEG-1)
16 kHz, 22.05 kHz, 24 kHz (for MPEG-2)
WMA: – Bit rate: 5 kbps — 320 kbps
– Sampling frequency: 8 kHz — 48 kHz
– Channel: 1 ch/2 ch
WAV: – Bit rate: Linear PCM at 705 kbps and
1 411 kbps
– Sampling frequency: 44.1 kHz
– Channel: 1 ch/2 ch
• This unit can show WMA/WAV Tag and ID3 Tag
Version 1.0/1.1/2.2/2.3/2.4 (for MP3).
• The search function works but search speed is not
constant.
• This unit can play back files recorded in VBR (variable
bit rate). (Files recorded in VBR have a discrepancy in
elapsed time indication.)
• The maximum number of characters for:
– Folder/file names : 25 characters (includes 4
extension characters—<.mp3>, <.wma>,
<.wav>)
– MP3/ WMA/ WAV Tag : 128 characters
• This unit can recognize a total of 20 000 files, 2 000
folders (999 files per folder). However, the display can
show until 999 folders/files.
• This unit cannot play back the following files:
– MP3 files: encoded in MP3i and MP3 PRO format; an
inappropriate format; layer 1/2.
– WMA files: encoded in lossless, professional, and
voice format; not based upon Windows Media®
Audio; copy-protected with DRM.
– Files which have data such as AIFF, ATRAC3, etc.
• Microsoft and Windows Media are either registered trademarks or trademarks of Microsoft Corporation in the United
States and/or other countries.
• The Bluetooth word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such marks by Victor
Company of Japan, Limited (JVC) is under license. Other trademarks and trade names are those of their respective
owners.
EN02-29_KD-R721BT_003A_2.indd 28EN02-29_KD-R721BT_003A_2.indd 28 12/29/10 9:35:55 AM12/29/10 9:35:55 AM
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