These buttons tell the Search Appliance to do something now. Only the buttons applicable to the current status are displayed. The buttons are as follows:
Update: Save the current settings for future use but don't begin a walk.
GO: Begin a walk using the current settings.
Update and GO: Save the current settings then begin a walk using those settings.
STOP: Stop and abandon the walk that is currently running.
See the Walk Settings section (3.3) for details about the operation of these buttons.