This right-click menu provides manipulation of the scroll bar on the chart.
To set the default placement of the scroll bar to the left, select Left Edge.
To set the default placement of the scroll bar to the right left, select Right Left Edge.
To move advance the page forward, click Page Left.
To move the page to a previous position, click Page Right.
To change the direction of the scroll, select either, Scroll Left or Scroll Right.