It's not on the bike now.  I'm using the flyscreen for a while and gonna swap back and forth to see if I really have a use for the flyscreen or want to sell it.  My original thought was that the flyscreen might reduce the wind fatigue and bug-spatter while allowing more breeze during the summer but I'm not sure it really works out that well for me.  I figured I'd take the next month or two and see what I think while using each for a few weeks at a time.  I've also been experimenting a bit with the positioning of the flyscreen while I'm at it.  No verdict yet.  Next time I swap it out, I'll let you know which slots I use.