Yep, I am familiar with them.
I was curious if it was just an aesthetics thing, or was there a problem with accidentally bumping the buttons, as they do stick out a lot, and the cover helps protect them.
Flying as of 12/4/2010
Phase 1 done, 2/4/2011
Sold after 240+ wonderful hours of flight.
"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."