What Are The Breville Smart Oven Air Functions? The Breville Smart Air has thirteen preset functions, that's a lot. These functions are Bake, Roast, Broil, Toast, Bagel, Warm, Pizza, Proof, Air Fry, Reheat, Cookies, Slow Cook and Dehydrate. Each of these preset functions works with the product's Element IQ System and each of the six oven heating elements to automatically cook for best results. These elements are located on the top and bottom of the oven and each element is turned on or off at higher or lower power by this automatic "IQ" system, based on the function that you choose....