Roberts Radio MP-23 - Manual (Page 38)

Playing MP3/WMA files - SD card/USB
1. Press the Play/Pause button to start playback. The display will show
the first track number.
2. Adjust the Volume and 3D Sound switch to the required settings.
3. To pause playback press the Play/Pause button. To resume playback
press the Play/Pause button again.
4. To stop play, press the Stop button. The total number of MP3 tracks
will be displayed.
Note: The SD card/USB memory device should only be removed when
the unit is in stop mode.
You may find that although you have added files to either an SD card
or a USB memory device, the MP-23 is unable to identify the files
and may report "No data". In this event, we recommend that the card
or memory should be reformatted in your computer. Before doing this,
you should copy all files and folders on the card to your computer for
temporary storage. After the format process is completed, then you
should copy the files back again. If the MP-23 is still unable to read
the files, then it is likely that your SD or USB memory device is not
completely compatible in some way.
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