Roland GAIA Synthesizer SH-01 Owner's Manual page 44

Using the SH-01's Keyboard and
Knobs to Play an External MIDI Sound
Module (MIDI OUT)
You can use the SH-01 as a controller.
Use a MIDI cable (sold separately) to connect the SH-01's
rear panel MIDI OUT connector to your MIDI sound
module's MIDI IN connector.
MIDI
cable
MIDI sound module
For details, refer to the owner's manual of the MIDI sound
module you're using.
44
MIDI OUT
MIDI IN