Double-click on a chart sub window (pane) title bar (when the hand icon appears) to maximize the pane and minimize the other panes.

Ctrl+double click on any window pane title bar to equalize the sizes of all panes.

To adjust the size of an individual pane, aim the mouse pointer at the dividing line between two panes. A vertical resizing cursor will appear. Mouse down, drag and drop the dividing line at the desired location.

To learn how to change the vertical scaling see this FAQ.