I found my own answer elsewhere, but figured i would put it on here in case anyone in the future goes looking for it as well. It is also called the JOG DIAL in the manuals, and because of that i found it, not thumbwheel.
1) In order to perform this operation, [Constant Setting] - [5 Operation/Teaching Conditions]
– [1 Operating conditions] – [8 Step selection with E+up/down keys] needs to be set to
[ENABLE].