As HD said, Denon/Marantz owners manuals are generally quite informative. Good to know you've got it working the way you want it, but if you run into further issues, your best bet is go back to the owner's manual and then if there is something unclear about it, or you can't find the info in the manual then you can post here again and see if some of us can help you find the answer.
For zone2, the following shows which pages you should read up on:
View attachment 64581