To adjust the MCV4 parameters (like MIDI channel or gate polarity) you have to enter the MCV4 learn mode and send the regarding MIDI messages to the MCV4 from your MIDI controlling while the MCV4 is in learn mode. To enter the learn mode one has to press the learn button and hold it pressed down for about one second. The one-second-delay was programmed to prevent the unintentional release of the learn mode. Whenever the LED is flashing without incoming MIDI messages the learn mode is active. In this mode the MCV4 is looking forward to an incoming MIDI note on, program change or controller event (see table below). If you have entered the learn mode by mistake you can leave it by pressing the learn button again.The learn mode will also be terminated if one of the MIDI events in the table below is received.
While the MCV4 is in learn mode the following parameters can be adjusted via incoming MIDI messages:
Function MIDI message Rem Comment
MIDI channel/reference for CV1=0V Note on (1)
CV3 velocity off Program Change #1 (2) CV3=volume
CV3 velocity on Program Change #2 (2) CV3=volume*velocity
CV4 velocity off Program Change #3 (2) CV4=Ctr.#X
CV4 velocity on Program Change #4 (2) CV4=Ctr.#X*velocity
Retrigger: off Program Change #5 (3)
Retrigger: on Program Change #6 (3)
Trigger polarity: normal Program Change #7 (4)
Trigger polarity: invertet Program Change #8 (4)
CV3 velocity mode 127 steps Program Change #11 (5) velocity resolution 0-127
CV3 velocity mode 2 steps Program Change #12 (5) velocity 2 steps (</>100)
CV4 velocity mode 127 steps Program Change #13 (5) velocity resolution 0-127
CV4 velocity mode 2 steps Program Change #14 (5) velocity 2 steps (</>100)
Key assign mode: highest note Program Change #15 (6)
Key assign mode: last note Program Change #16 (6)
Key assign mode: reference note Program Change #17 (6)
Key assign mode: stack note Program Change #18 (6)
Characteristics: V/Octave Program Change #19 (7)
Characteristics: Hz/V Program Change #20 (7)
Controller for CV4 any MIDI Controller (
Whenever the MCV4 receives one of the MIDI messages listed in the table above the parameter in question is changed and the MCV4 returnes to the normal play mode, i.e. the LED stops flashing. Pay attention that not unintentional MIDI messages appear while beeing in the learn mode (e.g. from a sequencer) as you change the settings of the MCV4 with such MIDI messages.
All parameter changes made while beeing in the learn mode are stored non volatile in the MCV4 parameter memory. When the MCV4 is turned on next time the parameter settings are taken from this memory.
