User guide

108
Basic operation of the VariOS
Playing the VariOS from a connected keyboard
(MIDI Mode)
You can connect your MIDI keyboard to the VariOS. In this case, you can change the MIDI routing in
the following ways.
■ PC mode
When using a USB connection, the MIDI connectors on the rear panel of the VariOS will function as a
USB MIDI interface (Roland VariOS External MIDI). When USB is not connected (and when your
computer is not powered up), the MIDI connectors on the rear panel of the VariOS are connected
directly to the sound generator section.
fig.042-007
■ Internal mode
The MIDI connectors of the rear panel of the VariOS are connected directly to the sound generator
section.
fig.042-007a
VariOS
Computer
Sequencer software
VariOS
When USB is
connected
When USB is
not connected
Sound generator
section
Sound generator
section
VariOS
Computer
Sequencer software
Sound generator
section