2009

Modify Subtree (Edit Range) Affects the tracks of an object
and all of its descendent objects. When you edit the range of a parent object,
the child objects are also affected.
Modify Child Keys
Track View - Dope Sheet > Options menu > Modify Child Keys
Track View - Dope Sheet > Track View toolbar > Modify Child Keys button
Provides the ability to turn changes on and off down the hierarchy when
working in Dope Sheet mode. Changes that you have made to a parent object
can be added to the children by clicking this toolbar button. Similarly, if you
have made changes with Modify Subtree on, and you want to remove the
changes from the children, clicking Modify Child Keys will remove those
changes from the children that you previously made to the parent.
This tool is primarily designed for use in Dope Sheet Edit Ranges mode.
Modify Subtree allows you to move, scale, edit time, and so on, on all sub-tracks
for any or all tracks on a node. Modify Child Keys does the same thing, but
also extends to child nodes as well. Modify Subtree lets you edit timing for
an object of subset of tracks on an object, while modify child keys lets you
edit the timing of an entire linked structure, group, or character.
Manual Navigation
Main toolbar > Curve Editor (Open) > Options menu > Manual Navigation
Graph Editor > Track View - Curve Editor > Right-click the controller window.
> Manual Navigation.
Manual Navigation turns off the Auto Scroll features of the controller window
and allows you to select which tracks will display on an individual basis.
The default behavior of the Controller window is to automatically display the
selected object animated tracks, and to hide them when the object is not
selected in the viewport. Turning on Manual Navigation changes this behavior
so that deselecting the object will not make the curves disappear from view.
Track View Menu Bar | 3561