Maximize

The maximize function expands your active image to the largest resolution size available that will fit in the Image Workspace.  This function is useful if you would like to instantly view your active image in a large and easy to view size.  

To use the Maximize function:

Click the Maximize feature on the tool.  The icon will turn yellow and is now active.  This will instantly maximize the size of the active image to the largest resolution that shows the entire image.