Arpeggio primer?

Is there anyone out there with the 216 beta that can spare a few minutes to share a basic primer on how to use Arpeggio? I feel like I’m on crazy pills and can’t seem to comprehend how the various function work together. Ideally, I’d like to continuously arpeggiate the notes in a chord randomly (a la a Jupiter-8, say). Is this even possible? I just can’t seem to figure it out. I’m old and working too much, perhaps, so please be kind LOL. Any assistance or insight would be appreciated! Thank you gang!

-yeah I thought I had an idea how it worked but I can’t seem to replicate anything. Can’t seem to figure it out either I guess… Hope there is a decent manual to accompany the os…

The Encoder function/ shift functions from the guide: