If you don’t have a 3D display, stay in 3D mode, but chooose “no glasses” and “left eye only”. Otherwise you will see a doubled image.
Sorry for taking so long! This is our interview with Joseph Chen (Product Lead) and Palmer Luckey (Founder) of Oculus VR. There have been countless interviews with the Oculus team before, so we are hoping MTBS’ Q&A is somewhat different and will shed new light on Oculus’ direction.