The Visualizer Menu

Settings .... Here you can specify the path and executable-name of your browser. This browser will be started when you select one of the menu items in the Browser menu.
Here you can also select if you want to see complete URLs in the Tree Visualization window or just the relative URLs of the nodes.

Expand All .... Expands all nodes in the Tree Visualization window.

Print .... Prints the displayed tree. The printer prints maximum one page.

Clear .... Clears the current visualization window. Use this if you want to restart the Crawler in the same window.