When on air, I'm not able to see the next slides that will show to make edits or changes without stopping the presentation. The screen says to stop full page, to hit esc, when I do this, we go off air.
Sounds like your computer is set to mirroing. When using proclaim, you will want to have mirroring off so that you can have the slides on one screen and the application on the other.
This article has screenshots from Windows as well http://support.proclaimonline.com/hc/en-us/articles/203702259-Why-do-my-laptop-view-and-projector-view-look-the-same-when-on-air-
