Yamaha SU10 Owner's Manual page 5

Special "External" functions
Use your SU10 as an effects box for applying a realtime scratch or filter
effect to feed-through line input.
MIDI support
Drive your SU10 from a remote sequencer, keyboard, or computer; or use
your SU10 to drive a remote device.
Load selected samples to a synthesizer or other remote device using the
MIDI sample dump standard.
Back up all SU10 data to an external storage device, then reload at any
time.
Introduction
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