In your composition, right click above your layers near source name and choose switches. Also the very bottom icon all the way to the left will collapse or open your switches.
Johnny Cuevas, Editor
"I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work."
---THOMAS EDISON on inventing the light bulb.