The first window Jumpshot-3 pops up is the Main Control window, which is shown in Figure . The File menu tab brings up the file selection menu. Here, doubly click to the right directory where sppm.slog is located, and highlight sppm.slog as the logfile to be processed. Then the path of the logfile relative to the current working directory will be printed in the logfile box, in the middle of the main control window. As soon as the pathname of the logfile appears, the Read button will be enabled. Click on the Read button to display the ``Preview'' of the logfile.
The System menu tab allows you to choose the specific ``Look & Feel'' for the whole GUI system of Jumpshot-33. The Help menu tab provides electronic documentations to Jumpshot-3, including three submenus: Manual, Tour, and About. Manual provides a brief explanation of all the buttons in Jumpshot-3. Tour is the HTML version of this document. About provides the version and contact information for the copy of Jumpshot-3 being used.