Yamaha PSR1000 Quick Steps page 13

VII. Loading Music Finder Files into a PSR1000/2000
Custom MUSIC FINDER files can be loaded into a PSR1000/2000, to replace the
file containing the original factory selections.
1) If the file is on a floppy disk, insert the floppy disk.
2) Press the [FUNCTION] button.
3) Press the [I] 'UTILITY' button.
4) Use the [BACK] and [NEXT] buttons to display the 'SYSTEM RESET' page.
5) Press the [I] 'MUSIC FINDER' button.
6) Select the new MUSIC FINDER file.
7) Press the [G] Replace button to replace the original MUSIC FINDER records.
8) Press the [MUSIC FINDER] button to display the new selections.
Owner's Manual, p. 69-72