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How to operate the USB music file player
• Supported channel modes:
monaural, stereo, joint, dual
rnATTENTION
• Depending on the encoding method used, this device may not be able to play back some types
of AAC file.
• Tags for AAC files cannot be displayed.
Format of USB memory
The USB memory format must be IS09660 Level 1 or Level 2.
Standards are as follows:
• Maximum directory layers:
8 layers
• Maximum characters for folder names/file names:
128 (including "." and 3 letter file extension)
• Allowable characters for folder names/file names:
A-Z, 0-9, _ (underscore)
• Number of files possible on a single USB memory:
512
[Configuration example for USB memory supporting MP3IWMAlAACj
o
Root directory (Fl)
F2
Folder 2
00l.mp3
002.mp3
003.mp3
004.txt
005.mp3
•
~
Folder498
~
Folder499
:
~
00l.mp3
~
r-
002.mp3
~
Folder999
Number of files possible on a single USB memory is 512. Files aside from
MP3IWMAlAAC files (Example: 004.txt) also count as single memories.
• Maximum folders this main unit can recognize:
512*
*: A root directory is counted as one folder.
rnATTENTION
It may not be possible for some USB drives with a security function to be recognized.
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