DXG Technology DXG-571V - Manual (Page 32)

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Control procedures as below:
Audio playback menu:
Under audio playback mode, press the MENU button to display the audio playback menu.
Delete single audio
1. Press up button ▲ or down button ▼ to select the single audio choice 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 single audio or cancel deletion (protected files cannot be deleted).
Protect single audio
1. Press up button ▲ or down button ▼ to select the single audio choice to protect, then
press the confirm button .
2. Press up button ▲ or down button ▼ to confirm or cancel, press the confirm button
to either protect single audio or cancel protection. When browsing a protected file a
lock icon will now appear on the upper left corner of the screen.
Delete all audio
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).