Yamaha Electone EL-87 Owner's Manual page 88

(6) Song Delete
You can delete a song on disk by performing this function.
To use Song Delete:
1
Use the SONG SELECT buttons to select the number
of the song you wish to delete.
2
While holding down the SHIFT button, press the
SONG DEL. button.
The letters "dL" appear on the left side of the LED
display, next to the selected song number. RECORD
lamp flashes to indicate that the M.D.R. is ready to
delete the song. If you wish to, you can still select a
different song number in this step by using the SONG
SELECT buttons.
3
Press the RECORD button to execute the Song Delete
function.
The RECORD lamp stops flashing and remains lit,
indicating that the Song Delete function has begun.
When the Song Delete function is completed, the
STOP status is automatically resumed.
(7) Disk Copy
You can duplicate a floppy disk by copying the contents.
Yamaha recommends that you keep two copies of important
data on separate floppy disks by using this function.
1
Prepare the source disk and the formatted blank disk
to be copied.
2
While holding down the SHIFT button, press the
LOWER button in the RECORD part.
"In 1" appears on the LED display to indicate that
the M.D.R. is ready to execute the Disk Copy.
84
N O T E :
If you want to abort the operation, press STOP button.
The disk type of both source disk and destination disk
must be the same. For example, use 2DD for the disk to
be copied (destination) if the source disk is 2DD type.
Be sure to set the Write-protect tab on the source disk to
ON. On the contrary, set the Write-protect tab on the
destination disk to OFF. The message "Prot" may appear
if you insert the destination disk with the Write-protect
tab ON. In this case, the Disk Copy function cannot be
executed.