q Play it
Once you have recorded at least two key frames, pressing the Return key will play the animation between the first and the last defined frames.
You may interrupt the animation by pressing the Escape key.
You may also move around the scene as well as in the modeling context, by using the arrow keys or numeric keypad.
q Quickly view your key frames
By pressing the spacebar, you can cycle through all of the defined key frames.
q Play your animation step by step
By pressing the “+” or “-“ keys, you can select the next or previous frame and display it on the screen.
You can play your animation frame-by-frame, as well as go to a specific frame to edit it.