Go to the Newmar Owners Forum in this site and post your question there. You will get lots of help there. Newmar does include an "Owners Manual" and a VHS tape or DVD that generically explains the different systems of the coach. It is somewhat helpful. I had both in my 1999 Dutch Star and my current 2004 Dutchstar.
You might try this link and check "coach information" link.
https://comnet2.newmarcorp.com/insta...l&psswd=retail This link is frequently down for maintenance so if it doesn't work at first wait a while and try again.
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2004 DutchStar DSDP3812, Cummins ISL 370Hp, Spartan MM Chassis, 2017 Chev Equinox toad, Blue Ox Aladdin Tow Bar, FMCA #F451747