Additional Music Styles can be loaded (one Style at a time) from disk as follows:
1) Insert a 3.5 inch floppy disk containing Yamaha Style Files.
2) Press the [LOAD] button.
3) Use the [-] and [+] buttons to select a Style.
4) Press the [EXECUTE] button twice.
5) Press the [STYLE] button.
6) Press    using the Numeric Keypad.
7) Play the Style.
Owners Manual, p. 79
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