1. Please set as the video show,  please set the gimbal wheel function to Focus E as the video talked about. The route to finding this setting is under Menu (click the center button)>Gimbal Set>Operations>Wheel>Focus E. You may refer to the attached video. 

2. Please set your camera lenses Manual/Auto Focus (M/A).

3. Connect your camera with the Gimbal using the M3C-Micro Line and set the gimbal camera profile to Nikon USB.