The main animation controls are found at the bottom of the program window, between the status bar and the viewport navigation controls, along with the time controls for animation playback within viewports.
The time slider and track bar
The Auto Key button toggles the called Auto Key. While Auto Key is on, changes to objects’ position, rotation, and scale are automatically keyframed (recorded). When Auto Key is off, these changes are applied to frame 0.
Set Key Animation mode allows you to create keys for selected objects individual tracks using a combination of the Set Keys button and Key Filters. Unlike Auto Key, Set Key mode gives you control over what you key and when. It allows you to pose a character (or transform any object) and then if you like it, use that pose to create keys. If you move to another point in time without keying, your pose is discarded. Set Key also works with object parameters.
The Play button plays the animation in the active viewport. If you click another viewport to make it active, the animation continues playing in that viewport. When the animation is playing, the Play button becomes a Stop button. The Play button is a flyout for playing only the animation of selected objects.
Key Mode lets you jump directly between in your animation. By default, Key Mode uses the keys visible in the track bar below the time slider. Other options are available on the in the Key Steps group.
The Time Configuration dialog provides settings for frame rate, time display, playback, and . You use this dialog to change the length of your animation, or stretch or rescale it. You also use it to set the start and end frames of the and your animation.