Note: You can press 
to adjust volume of audio files per your request when playing.
Delete All/Single
1.In PLAYBACK mode, press M button.
2.Press 
button to select “Delete” and press M button.
3.Press 
button select to “Delete Current”, and then press M button.
4.Press the 
button select to “Yes” and then press M button, the current file is deleted; If you select “Delete All”, all files (exclude the locked files) in memory will be deleted at one time.
Notes: If you select “Delete All”, either all files in flash memory or external card will be deleted, depending on your selection of media. All files in PLAYBACK mode exclude MP3 files.
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