chapter  27
Intermediate Animation
Pages 12

It is important to understand that practically every object in 3ds Max has a Position XYZ animation controller assigned to it by default. This allows you to move objects freely in space. The Euler XYZ controller is assigned to all objects to allow free rotations in space and, as you learned previously, to animate them when the Auto Key button is toggled on and the time slider is at a frame other than frame 0.