Appendix
Additional Information
!Do not leave the USB portable audio player/USB memory in high temperature.
!Firmly secure the USB portable audio player/USB memory when driving. Do not let the USB portable audio player/USB memory fall onto the floor, where it may be- come jammed under the brake or accelera- tor pedal.
!Depending on the USB devices connected to this unit, it may generate noise in the radio.
!There may be a slight delay when starting playback of audio files on a USB portable audio player/USB memory with numerous folder hierarchies.
!Do not connect anything other than the USB portable audio player/USB memory.
!Operations may vary depending on the
kind of USB audio player and a USB mem- ory. 
Example of a hierarchy
: Folder
: Compressed audio file
1 
2
3
4
5 
6
Level 1 | Level 2 Level 3 Level 4 |
The sequence of audio files on the disc
!This unit assigns folder numbers. The user cannot assign folder numbers.
!Folder selection sequence or other opera- tion may be altered depending on the en- coding or writing software.
!Folder hierarchy is allowed up to eight tiers. However, a practical hierarchy of folder is less than two tiers.
!Up to 99 folders on a disc can be played back.
The sequence of audio files on USB memory
For USB portable audio players, the sequence is different from that of USB memory and de- pends on the player.
!01 to 05 represent assigned folder num- bers. 1 to 6 represent the playback se- quence. The user cannot assign folder numbers and specify the playback se- quence with this unit.
!Playback sequence of the audio file is the same as recorded sequence in the USB de- vice.
!To specify the playback sequence, the fol- lowing method is recommended.
1 Create the file name including numbers that specify the playback sequence (e.g.,
001xxx.mp3 and 099yyy.mp3).
2 Put those files into a folder.
3 Record the folder containing files into the USB device.
However, depending on the system environ- ment, you cannot specify the file playback sequence.
!Up to 15 000 files on a USB portable audio player/USB memory can be played back.
!Up to 500 folders on a USB portable audio player/USB memory can be played back.
!Up to eight tiers directory on a USB porta-
ble audio player/USB memory can be played back. 
English
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