The Zoom Out function enables you to reduce the magnification level of an active image.
To use the Zoom Out function:
Click the Zoom Out feature on the tool. The icon will turn yellow to show that it is now active.
To zoom out of an image, the image must be already magnified or zoomed in to some degree. When clicking down on the mouse button, over a magnified image, the image will zoom out (becoming smaller) yet showing a greater portion of the image. You can zoom out of an image until the whole image is visible in the Image Workspace and you see the words: Cannot zoom out. Already viewing smallest size.