Yamaha U3-SILENT Owner's Manual page 38

Chapter
5
Handling Song Files
Deleting a Song File
7
Hold the REC and STOP buttons simultaneously
for 3 seconds.
"n-y" and "dEL" appears alternately on the display.
Note
You cannot delete songs other than user songs. If you try to delete such
songs, "E01" or "Pro" appears on the display.
8
Press the +/YES button.
Deletion starts.
Dashes appear on the display indicating that the selected song is
being deleted.
If the song is successfully deleted, "End" will appear on the display.
Caution
Do not turn the unit off or disconnect the USB storage device while dashes
appear on the display as this may corrupt the data or damage the internal
memory and/or the USB storage device.
Note
To cancel deleting, press the –/NO or STOP button.
32
+
Hold