formatting link
Der iz da klu. Thanks to the one remaining brain cell that fired off the name John Henry.
Now I got to remember what Z, A, R means. For now I'll take it as Auf means on. ( How counter-intutitive is that?) Z means something like off, shutdown, unavailable. and R means reserve.
If I'm wrong I promise never to return. Promise.
(Me be John S. using his pen name.)