You can change the horizontal scale via the following controls:

•Left mouse click and hold on the chart canvas and drag left or right

•Click on the Zoom buttons. Zoom-in and zoom-out.

•Left mouse click and hold on the blue area of the chart scroller and move to right or left

•Left mouse click and hold on the edge of the blue area and increase or decrease the size of it.

Vertical scrolling (panning chart up and down)

CTRL + Left mouse click and hold or Right mouse click and hold on chart margin and drag up or down.

Vertical scaling

Left mouse click and hold on chart margin and drag up or down.