页 32, Troubleshooting – Nextar ma977 User Manual
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15. Troubleshooting
No power
No sound in earphones
Check if the batteries are installed correctly;
Check if the USB connection is solid;
Check if the player has been started.
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Check if the volume is turned down;
Check for a problem with the connection of earphones;
Ensure the cleanliness of the earphones;
Damaged MP3s can play differently, or not at all.
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"DRM" Stands for "Digital Rights Management". DRM refers to a collection of systems
used to protect the copyrights of electronic media. These include digital music and
movies, as well as other data that is stored and transferred digitally.
DRM