The timeline can only be manipulated and navigated when a bone and animation are currently selected.
Panning: Click and hold right mouse button (RMB) at an empty position and move the mouse to pan the timeline.
Zoom: Scrolling with the mouse wheel will zoom vertically. Scrolling while holding Ctrl will zoom horizontally.
Add Control Point: To add a control point click anywhere in the timeline. By clicking and holding the left mouse button (LMB) a control point is added and can be moved around immediately. Additionally, a new control point can be precisely added by entering the X and Y values above the timeline and then clicking the button.
Move Control Point: To move a control point clickon the control point and hold with the left mouse button (LMB) and move the mouse around.
Edit Control Point: Instead of moving a control point with the mouse, the exact X and Y values can be set by right mouse clicking (RMB) the control point and then editing the values in the context menu.
Delete Control Point: Either click with the middle mouse button (MMB) on the control point to be deleted or right mouse click (RMB) the control point and then click the button.