I'm going to echo earlier comments, but if you didn't get one at delivery, pick up a Bizer chart. A chart is an essential, but the additional detail, rocks, shallows, and navigation routes on the Bizer can be a great aid getting started -- especially in the Northern part of the lake or through sections like the Graveyard. If you ever get confused or lost, the best thing is to just put it Neutral and look around to get reoriented.
And Phantom's advice is excellent -- twice last weekend we saw boats on the wrong side of "those colored sticks". Folks may get away with those mistakes on their boats, but you don't need to repeat them with your own.
Finally, relax, enjoy and stop for an ice cream.