The scroll bars allow you to scroll through your project and change its magnification.
The horizontal scroll bar is displayed below the time ruler. Drag the scroll box to pan left or right through the project.
The scroll box also functions as a zoom control. Drag the edges of the scroll box to zoom in and out, or double-click the scroll box to zoom out so that the entire length of the project will be displayed.
The vertical scroll bar is displayed on the right side of timeline. Drag the scroll box to pan up and down through the project.
Double-click the scroll box to zoom the project out so that as many tracks will be displayed as possible.