Pan (Track View)

Allows you to click and drag the Edit Window to move it left and right or up and down. Click once to enable panning. Pan remains active until you right-click to cancel or click another button. The button is green while it is active.

Zooming and Panning with the Intellimouse

You can use the wheel on the Intellimouse to zoom and pan the Track View edit window. Drag with the wheel to pan, and roll the wheel to zoom. (If you have a standard 3-button mouse, you can pan but you can’t zoom.)

Reference

Pan (Track View): Click and drag the Edit Window to move it left and right or up and down.

Drag horizontally in all modes to slide the view forward and backward in time.

Drag vertically (in Function Curve mode only) to slide the view up and down in value.