The Source Debugger subdirectory within the VTS installation directory (i.e. "C:\VTS\Source Debugger") is an application directory containing the components required to run the VTS "Source Debugger" script application that is included with your VTS installation. The "Source Debugger" enables you to: examine the source code for the VTS application you are debugging; control the rate at which statements execute by setting breakpoints; view and modify variable values; search for Boolean expressions; watch selected variables for changes in their value; and slay instances of modules. Detailed information on the "Source Debugger" can be found in Source Debugger.