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playback".
Protect file
On the stopped playing interface, press "FOCUS" button to enter.
Protect file interface is as follows:
Press "+" and "-" to choose "Lock" to protect the file, "Unlock" to
don't protect the file; press
button to execute. When delete the
file to locked, will display "The file is locked". If need to delete the file,
need to unlock the file.
Delete files
On the stopped playing interface, press the
button, the interface
of the following picture will appear. Below are the pictures of the
deletion operations:
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