Welcome to the forum and congratulations on your new Dutch Aire.
Always like the DA they were not around that long nice colors on your coach.
You have the brochure and owners guide and if you have been following you know about the links below in my signature.
The Micro vent if you have a cabinet over the Micro and see a box on back wall on cabinet it maybe your vent up through the roof, with a roof cover separate from the refrigerator vent.
Your cable connection will be in the power bay along with a telephone connection in the same outlet. Mine is mounted on rear frame wall with two white covers covering each item.
The QT's 1 & 2
will have most heating and cooling systems plus jack systems and slide info.
QT's # 3
has most updated stuff plus some old.
Plus most informative people on the forum to answer your tough DP questions that
I leave up to them. I just sit back and listen.
Welcome to the Newmar family and safe travels ahead for you.