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1. Press up button ▲ or down button ▼ to select all to delete, then press the confirm
button
.
2. Press up button ▲ or down button ▼ to confirm or cancel, press the confirm button
to either delete all files or cancel deletion (protected files cannot be deleted).
Undo all audio protection
1. Press up button ▲ or down button ▼ to select all audio to protect, then press the confirm
button
.
2. Press up button ▲ or down button ▼ to confirm or cancel, press the confirm button
to either unprotect all audio or cancel undo protection (only undo protected files).
Procedures as below:
:Start / Stop
Exit audio playback menu: