With both the Main Chart and Overview Chart it is possible to expand the data that is displayed or scroll across the chart.
Data to the chart can either be expanded to the left or the right of the chart.When the green button with a left arrow is pressed the data is expanded to the left. when the green button with a right arrow is pressed the data is expanded to the right.
The chart can be scrolled either to the left or the right of the chart. When the yellow button with the left arrow is presses data is scrolled to the left. When the yellow button with the left arrow is pressed to the left
The Expand/Scroll Amount will determine the amount to be expanded/scrolled by.
