Kenton Spin Doctor - Manual (Page 6)

Including Spin Doctor in your MIDI setup - Connecting up
1) In the most basic setup where you have only a keyboard synthesiser, sound
module or MIDI effects processor, connect the MIDI OUT of Spin Doctor to the
MIDI IN of your synthesiser. In the following diagram you can see a basic setup
with Spin Doctor connected to the MIDI IN on a synthesiser. This can just as
easily be a hardware module being controlled directly from Spin Doctor.
2) In a simple setup, where you typically have a controller keyboard connected to
a computer which has a sound card installed, you would normally have the MIDI
OUT of your keyboard connected directly to the MIDI IN of your computer. To
include Spin Doctor in your system, it should be inserted between the keyboard
and the computer. To do this connect the MIDI OUT of your keyboard to the
MIDI IN of Spin Doctor and connect the MIDI OUT of Spin Doctor to the MIDI IN
of your computer.
Spin Doctor will automatically pass any MIDI it receives at its MIDI IN, directly to
its MIDI OUT. Whenever you move any knobs or press the
F.KEY (in specific
modes) on Spin Doctor this is merged with the MIDI from your keyboard and
everything is sent directly to your computer.
3) If you have a sound module or other synthesisers connected to the MIDI OUT
of your soundcard, this is not a problem as your sequencer will generally pass
MIDI received at its MIDI IN to its MIDI OUT. This is often known as Soft-Thru.
This kind of connection is shown in the diagram below.