You can drag the bottom edge of the console, which will cause it to float, then you can drag it off to the 2nd display.
Give that a shot.
All of this is also covered in the documentation. There are ZILLIONS of really really good work flow benefits in Sonar X3, and also all sorts of videos out there that cover them.
In addition, there are some quality books out there on Sonar.
Of course, there are the friendly folks in the forum, as well.
Welcome to Sonar - have a blast.
Bob Bone