Click to turn Auto Refresh on or off .
Change the time period
If there is an arrow to the right of the time period display then the page has an option to change the time period covered by the data display. Click the arrow to show options.
Choose from the custom time periods (Last 1 hour, Last 6 hours, etc) or define your own time period. Click on the From date and time and To date and time periods to define your own time period.