The animation workspace is extremely basic and lacks the ability to turn on on manual keyframes. The only way to stop the annoying auto-keyframes is to put the current time indicator in the 'cupcake zone' (red icon) This is a very awkward way to stop automatic keyframes.
Please include camera on spline to make complex moves, such as navigating through model, orbiting. The only way to make a good animation is to export to another software.
