Arturia KeyStep 37 MIDI Keyboard Controller and Sequencer - Manual (Page 60)

5.3.4. Arp mode: Inclusive
With the Arp mode encoder set to Inc the arpeggiator will play the held notes in order from
low to high, then from high to low, repeating the high note and low note.
5.3.5. Arp Mode: Exclusive
With the Arp mode encoder set to Exc the arpeggiator will play the held notes in order from
low to high, then from high to low, without repeating the high note and low note.
5.3.6. Arp Mode: Random
With the Arp mode encoder set to Rand the arpeggiator will play the held notes in a random
order.
5.3.7. Arp Mode: Walk
With the Arp mode encoder set to Walk , the arpeggiator will play the held notes in a
controlled random order. It's as if the arpeggiator 'throws a dice' at the end of each step:
there's a 50% chance it will play the next step, a 25% chance it will play the current step
again and a 25% chance it will play the previous step.
55 Arturia - User Manual KeyStep 37 - The Arpeggiator