This hyperlink opens the search interface in 'test mode'. This has two effects:
Search Settings
page, whether they have been applied to the Live
Settings or not. This allows you to test search settings without affecting end
users until you are satisfied with the new settings.
This mode also places two extra hyperlinks at the top of the search
pages. Back to Administration
allows you to return to
the Search Appliance administration interface. Make this appearance live
does that too, but it additionally makes the search settings you
are testing "live", so that end users also see the search setting
effects.