The Kalorik Combi Grill/Sandwich/Waffle Maker is fitted with a thermostat knob which allows you to select the ideal temperature for each plate set. The following settings can be selected: MIN OFF position300° Keep Warm Function340° Preheating375° SandwichMAX Grill / WaffleTurn the thermostat knob (3) to the desired position. You may season the plates with butter margarine or cooking fat. Since the appliance has a non-stick coated surface the use of butter or oil is optional.Protective coating burn off will cause smoking on first use. This is NOT harmful.The green ready light will go out when the cooking temperature is reached. During use this ready light will come on and off regularly. This simply means that the thermostat is regulating the appliance's temperature.About KalorikEstablished in Belgium in 1930 Kalorik has become synonymous with fine engineering and unique product development. As one of Europe's first manufacturers of small electric appliances the company's initial product was one of the very first electric toasters. With this well-recognized achievement and a thirst for new invention the company established offices in the U.K. Germany and Switzerland to further innovate and design new and exciting products.Today Kalorik is a second-generation industry leader. Its passion to create superior products is a guiding force in the company's commitment to new trends in product development meticulous care for detail and to maintaining cutting-edge manufacturing facilities. It is this careful balance combined with Kalorik's experience and traditional values that has led to the company's worldwide success.