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Show Grid Check this switch to show the grid in the layout window.
Show Hidden Networks Check this switch to show the invisible path networks during editing. A path network can be made to be invisible by selecting the "invisible" option for the particular network while in the Path Networks editor.
Show Routing Paths Causes routing paths to be visible during run time as well as edit time. If the option is not checked, the routing paths are visible only while in the processing editor.