External Controls Use the External Controls tab to view provisioned external controls. Item Description Control # Identifies the number assigned to the external control. Enabled If checked, enables you to set the external control parameters. Control Type Sets the external control type. Trigger Type Set the external control trigger: a local minor, major, or critical alarm; a remote minor, major, or critical alarm; or a virtual wire activation. Description Allows you to enter a description. Apply Applies changes made to the fields in the tab. Reset Cancels any changes to the tab and returns the fields to their last-saved settings. Help Displays context-sensitive help.