Korg Opsix Owner's Manual page 16

Pedal
DAMPER jack (6.3 mm phone jack, half-damper not supported): Connect a Korg DS-1H damper
pedal or a PS-1/PS-3 pedal switch (sold separately) to control the damper function. Pedal polarity is
detected automatically; to allow this, make sure that the pedal is not held down when connected, or
while turning on power.
MIDI device
MIDI IN, OUT connectors: Use these connectors to connect the opsix to an external MIDI device
for exchanging MIDI messages. Make sure that the MIDI channels are set appropriately. (See
"Connecting/ a computer or MIDI device", p.88)
Computer
USB B port: Connect this to a computer to exchange MIDI messages and data. (See "Connecting the
opsix to a computer via USB", p.88)
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