If you have chosen the Pro60 (1080p60) production mode for your project, and you're using a CameraLink device with your camera, note that the CameraLink sends video to your SlingStudio unit at a resolution of 1080p30 when the camera's output resolution is set to:
However, if the camera’s output resolution is set to either of these resolutions:
... then the CameraLink sends video to your SlingStudio unit at a resolution of 1080p60.