What is Auto Refresh in the Advanced Market Scanner?

If you check Auto Refresh, the scan periodically re-runs automatically. To save system resources, uncheck Auto Refresh and click the Search button to manually refresh the scan when needed.

Powered by IBot
How do I set up an Advanced Market Scanner?
Why does the Write Options tool in TWS say "There are no items to display"?
Can I edit an Advanced Market Scanner once it's running?
How do I update my screener results?