4-2
Control Sources
If you change the value of the MWhl parameter, the Mod Wheel will no longer send the MWheel
message, and any control source parameter with MWheel assigned as its value will no longer
respond to movement of the Mod Wheel. All of the control assignment parameters in the Setup
Editor can be programmed to send any of the MIDI controller numbers. For example, if you
assign Foot (MIDI 04) as the value for the Press parameter, then generating mono pressure
messages from your MIDI source will send a Foot (MIDI 04) message to the K2661’s sound
engine, and will affect any control source parameter that has Foot assigned as its value.
The other type of control source is independent of the movement of physical controls. These
control sources generate their control signals internally, and might be called software control
sources. They either run automatically (like A Clock and RandV1), or they’re programmed to
generate their signals according to parameters of their own (as with the LFOs and FUNs). The
software control sources must have some nonzero value set for one or more of their parameters
before they’ll generate control signals.
To summarize, there are two different cases in which you’ll assign control sources. One, the
transmit case, determines what control message will be sent by a particular physical control. For
example, MWheel is set by default to be transmitted by the Mod Wheel. The other case, the
receive case, determines which control message will activate a particular control source
parameter. For example, if you assign MPress as the value for the Src1 parameter on the PITCH
page in the Program Editor, then that layer’s pitch will be affected whenever an MPress message
is generated by any physical controller.
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