Appendix
Additional Information
USB audio player/USB memory
!Do not leave the USB portable audio player/USB memory in direct sunlight for extended amounts of time. Extended expo- sure to direct sunlight can result in USB portable audio player/USB memory mal- function due to the resulting high tempera- ture.
!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.
!There may be a slight delay when starting playback of audio files encoded with image data.
!Depending on the USB devices connected to this unit, it may generate noise in the radio.
!Only 32 characters from the beginning can be displayed as a file name (including the extension) or a folder name when USB por- table audio player/USB memory is selected as a source.
!The text information of some audio files may not be correctly displayed.
!File extensions must be used properly.
!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.
!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.
For USB portable audio players, the sequence is | English | ||
The sequence of audio files on USB |
| ||
memory |
| ||
different from that of USB memory and de- |
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pends on the player. |
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Example of a hierarchy |
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|
| : Folder |
|
|
| : Compressed audio file |
|
1
2
3
4
5 
6
Level 1 | Level 2 Level 3 Level 4 |
!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.
1Create the file name including numbers that specify the playback sequence (e.g., 001xxx.mp3 and 099yyy.mp3).
2Put those files into a folder.
3Record the folder containing files into the
USB device.
However, depending on the system environ- ment, you cannot specify the file playback sequence. 
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