Yamaha PortaTone PSR-450 Owner's Manual page 60

Floppy Disk Save and Load
w Press the [EXECUTE] button.
"yES Sure?" will appear on the display, asking you to confirm that you want
to proceed with the format operation.
You can abort the format operation by pressing the [–/NO] button.
Exit from the format mode by pressing the [UTILITY] button.
e Execute the format operation.
Press the [+/YES] button to begin execution of the format operation. "Forma-
tin" will appear on the display while the disk is being formatted.
"Complete" will appear on the display when the format operation has been
completed.
■ Formatting an Already Formatted Floppy Disk
This function is useful for quickly deleting unnecessary files from an already for-
matted disk.
q Insert the formatted floppy disk in the disk drive.
w Press the [UTILITY] button.
If the inserted floppy disk does not contain any files the PSR-450 will auto-
matically proceed to step
60
PSR-450 Owner's Manual
Sure?
YES
Formatin
072
Complete
---
FILENAME
d-U
This case is user file.
e
.
CAUTION
• While the file is being For-
matted ("Formatin" message
appears on the display),
never eject the floppy disk or
turn the power off.
CAUTION
• If data is already saved on
the disk, be careful not to for-
mat it. If you format the disk,
all the previously recorded
data will be deleted.
NOTE
• If the [UTILITY] button is
pressed when there is no floppy
disk inserted into the disk
drive, a "No disk" message
appears at the top of the dis-
play, and all disk operations will
be disabled.