PERFECTPRO ROCK PRO Mode D'emploi page 18

To skip to another folder
1. With the SD card / USB memory device playing, press and hold the
Tuning control to move up to the root menu of your SD card or USB
memory device.
2. Press the Folder Up / Folder Down buttons repeatedly and the
display will skip to the next or previous folder.
3. Stop when the desired folder is reached, then press and release the
Tuning control to confirm the setting.
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Playback repeating modes
RockPro allows you to use several playback options for files. In addition
to Repeat Once and Repeat All options, there is also a Repeat Foler
facility. Press and release the Play Mode button repeatedly with the
SD card / USB memory device is playing to cycle through these various
repeating modes of file playback.