[1] “Using splits directly on your keyboard controller, could even be dangerous and lead to stuck notes.” - LINK
[2] “In the variations I have Widgets which filter Note On for MIDI In Blocks I am not using in this variation. So no need for changing split points or Midi channels.” - LINK
A sample rackspace where you can flexibly set which sound will be played from which keyboard. Since the author of the linked gig file has only one keyboard connected, he used a split point to “simulate” a lower and a upper keyboard. → LINK