Yamaha AR-80 - Manual (Page 91)

85
Formatting a Disk
Before recording your performance to a blank disk, the disk must first be formatted. (A blank 2DD
floppy disk has been included with your AR-80.)
To format a disk:
1.
Put the disk, label facing up, into the disk slot.
If the disk is blank, the following display will automatically appear:
If the disk is not blank, another display may be shown. If you want to format the disk (which
will erase all data on the disk), select the UTILITY page with the appropriate Menu button.
DATA CONTROL XG/GM, DOC or Style File disks
cannot be formatted.