The Footing Reinforcement - advanced options dialog allows you to define the advanced reinforcement parameters of the footing.
Select RC Design
Provided reinforcement layout, and then create a new RC element or open an existing one.
Reinforcement Pattern, and then click Advanced to open Footing Reinforcement - advanced options dialog.
(Reinforcement Pattern), and then click Advanced to open Footing Reinforcement - advanced options dialog. 
If the Auto option is selected, the necessity of top reinforcement is determined automatically.