The Sparkline Settings dialog consists of several pages:
To reach the Sparkline Settings dialog from a graphical table:
Right-click on the sparkline column in a graphical table visualization.
Select Sparkline Settings from the pop-up menu.
To reach the Sparkline Settings dialog from a text area:
Click on the Toggle Edit Mode button, , in the text area title bar, to make sure that the text area is in edit mode.
Comment: You can also right-click and select Edit Text Area from the pop-up menu.
Double-click on the gray edit box representing the desired sparkline in the text area.
See also:
How to Use the Graphical Table