The above window is the status bar of simulator shows what are all the options that user has set. For example the first picture shows whether a proxy server has used or not, a delay between iteration has given or not, script is simulated sequentially or concurrently, whether the vuser should stop on http error or not, how to log the vuser status, and than vuser schedule images. To change the option just double click the image to open the dialog box or we can also go from tool bar button.