Originally Posted by Big Jim:
That's what happens when you keep ringing that darn bell, blowing the whistle and running your mouth (Crew Talk)! You can't hear the engine working!
Some times it DOES get too noisy and busy with all the sounds going on, that's when one can turn off the sounds and hear the smoke units motors and the drive mechanism working...then you get to go in and fix them noisy fans/gears... 
