Cirrus 3CFM need help..
 

Hi ya'll I need help trying to figure out how to change from model #1 to model #2 and so on..

Here is a link to the manual for it. http://media.hobbypeople.net/manual2/145621.pdf

The only thing is it doesn't tell how to change models. I don't need the other memory right now, but I will in the near future.. Any help is/would be greatly appreciated..