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MIDIbox SEQ V4 Beginner's Guide
MIDIbox - http://wiki.midibox.org/
3.2.7. Pitch
Pitch layer can be used to send pitch wheel events to your MIDI equipment, simulating the pitch
wheel position. Value 64 (default) is the middle position, i.e. no effect.
3.2.8. Probability (Prob)
Probability layer can be used to set the probability for the step to be played (0–100%). This is
especially useful for drum tracks to increase variation without creating multiple tracks. (See also
random gate trigger, section 3.1.6.)
3.2.9. Delay
Delay layer can be used to delay each step with 1–96 microticks. Regardless of tempo, one step is 96
microticks long, so delaying a step with 96 microticks plays the step at the last possible instance
within that step before moving into the next step.
3.2.10. Program Change
Program Change parameter layer (PrgCh) allows you to send Program Change messages to your MIDI
equipment, e.g. to change patches. This is useful if you want to change patches in the middle of a
track. However, this requires that your MIDI equipment can effect patch changes quickly enough. On
the other hand, if your MIDI equipment cannot handle the Program Change commands set on the
Track Instrument page (see section 2.1.3.) quickly enough, Program Change parameter layer offers a
solution: if you want your next pattern to play with a changed patch, you could use the Program
Change parameter layer to effect the patch change during the current pattern, early enough so that
the patch is ready when the next pattern starts.
Note that sending Program Change messages simultaneously from the Track Instrument page (see
section 2.1.3.) and the Program Change parameter layer may lead to conflicting commands!
The default value for every step on a new Program Change parameter layer is 0. The layer sends a
new Program Change message only if the value changes from one step to the next, so a 16 step layer
filled with “0” send the command only once. If you don't want the track to send anything, use the ALL
button & function (see section 4.2.3.) and turn the GP knob all the way to the right: the last value (—)
will have the step send nothing.