PERFECTPRO ROCK HART Mode D'emploi page 19

(2) File browser: searching the desired folders and files.
2-1 During playback on either USB or SD memory device,
press and release Tuning control knob to perform the
"file browser" function.
2-2 The first line of LCD display will indicate existing folder number
and total folder quantity, the second line will show the
selected folder's name.
2-3 Rotate the Tuning Control knob to search the desired folder.
2-4 Press in the Tuning control knob to select the folder.
2-5 Display will show first file of the selected folder.
2-6 Rotate the Tuning Control knob to search the desired file.
2-7 Press in the Tuning Control knob to select the desired file,
the radio will start to play the selected file.
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