I am running Aerofly RC7 on my Macbook Pro laptop (version OS X Yosemite) and I have the same Ikarus USB interface as described above but still no luck getting the simulator to see my Spektrum DX8 controller. Any ideas? I have tried putting the controller in trainer Slave mode with a new model named simulator and leaving it turned off. It turns on anyways as soon as I plug the cord into the back of it. Any help is very much appreciated!