Yamaha PSR1000 Quick Steps page 26

8) When finished, press the [I] 'SAVE' button.
9) Use the [BACK] and [NEXT] buttons to select a permanent memory area
('USER' memory or 'FLOPPY DISK') to store the transposed Song into.
10) Use the [A] - [J] buttons to select a location in the chosen memory area.
11) Press the '6' [v] 'SAVE' button under the screen.
12) Use the [1] - [8] toggle buttons under the screen to name the Song.
13) Press the '8' [^] 'OK' button to save the Song into the chosen memory
location.
Owner's Manual, p. 104