Ok so I am trying to add a flightplan in here i have no problem doing it when runing just tje trainer.http://members.shaw.ca/evan.lask/gps.jpgwhat im trying to do is push in the knob on the right but i try right and left clicks it just rotates the knob. what i want to do is the push function. I try the middle mouse and it only tries to scroll the display but does nto push the knob.. how do i do this

ahh sorry just went trhough the manual again.. i missed a button therei got it now