Not to worry OverAndBack. Speaking from working only as a LJ and it being my first season....
1) Keep the whistle OUT of your mouth. It's too easy to become excited while tossing a flag and inadvertently blowing your whistle. (Yes I did this but it was little guy and my first game!)
2) Don't do what I refer to as the NFL Syndrome your first couple of games. That is, watching the ball carrier wherever he is. Watching football on TV or at the game is way different from officiating one I have learned. And what I have found is the more I work the better I get. Instead of watching the *action* on the field somewhere else, pay attention to your area and what might be possibly going on behind the play.
3) Listen to your crewmates.
4) Understand PSK.
5) Be sure to get a players number on a penalty. I got so excited my first couple of flags all I knew it was on a color. The play would happen so fast, I would see a facemask or hold, check the number, follow the play, mark the spot, signal timeout, out of bounds, etc, then by the time I ran out to the WH I would almost forget everything that just ocurred!
and
6) Like it has been said already... SLOW DOWN!!! No one is going anywhere...
Now I'm going to reread this as it's all stuff I need to work on. Thanks!