Welcome to the forum and irv2.
Congratulations on your Newmar and also welcome to the Newmar family.
Here to start is a Brochure
and Owners Guide
Below in my signature you will see links to many more for your coach.
Here in one of them is a TECH LINK
that may give you some help.
Here is a thread
on questions someone had that may relate to yours.
Enjoy the forum and many safe travels in your new adventure and good luck in your up coming retirement..