This Parameter determines how often your browser automatically refreshes pages.
The IWATCH performance report updates the contents of the pages according to the Parameter NSUPD. However your browser will continue to display the old contents until it is refreshed. The WEB page contains the referesh interval, based on how often the contents change and the value of this NSREF FMS Parameter. You can force a refresh by entering Control-r.
A value of 0 results in no automatic refreshing of the pages.
At the end of the job, automatic refresh is turned off for all pages.