When you pick an object in the 3D viewer with this button activated,
the Timeline will display the similar tracks that belong to other objects,
which are related to the picked object.
Click these two buttons to snap the playhead back to the previous or next key, or the start-frame clip.
The key or clip will be automatically selected.
Hotkeys:
Next - Tab key
Previous - Shift + Tab key
Simply focusing on the name of the track and executing these two functions can snap the play head to the start / end frame of a clip or to next or previous key or switch.
Double-click on the timeline cell area to add keys or press this button.
Keys can also be automatically added when users alter key information in the Modify Panel.
The Add Key (Shortcut: A) button only works for the Transform,
Motion Layer, Facial Layer, Visible,
HDR, IBL, and Effect sub tracks,
and all other sub tracks for cameras and lights (Constraint sub tracks are excluded).
Break (Ctrl + B): Non-destructive break: The animation data of the original clip will be kept but hidden for the
cropped clips. Extending the clips can retrieve the hidden
keys.
Break Flatten: Destructive break:
The animation data of the original clip will flatten, the data beyond the clip range will be
removed.
Displays the current frame number when you click on the target frame
in the timeline. You may also type in the frame number to jump to the target frame.
This allows you to go to any precise target location. This is
especially convenient for animation with clear timing control.