Active Graph: To switch 'active' graphs, click with the mouse on the title bar of the 'inactive' graph.
Move Graph: The graphs can be moved around on screen by clicking on the title bar. Hold down the mouse button and drag the graph window.
Maximize ZView: Maximize ZView to cover the whole screen by clicking the maximize icon on the ZView title bar.
Maximize Graph: If the maximize icon of a graph window is used, that graph will expand to fill all of the ZView window.
Toolbar: The toolbar contains icons for many of the common graph manipulation techniques and displays data point values.
Close Graph: Click on close box in the upper right corner of a graph window to close a graph. This is useful if you want to close a single graph but retain any other graphs you have displayed.