• Touch until the acoustic signal. The symbol comes on. Set the heat setting inless than 10 seconds. You can operate the hob. When you stop the hob with , thechild safety device operates again.HELPFUL HINTS AND TIPSCookware• The bottom of the cookware must be as thick and flat as possible.• Cookware made of enamelled steel and with aluminium or copper bottoms can causediscoloration on glass ceramic surface.Cookware for induction cooking zonesIn induction cooking a powerful electromagnetic field generates an almost instant heatinside the cookware.Cookware material• correct: cast iron, steel, enamelled steel, stainless steel, a multi-layer bottom (markedas correct by a manufacturer).• not correct: aluminium, copper, brass, glass, ceramic, porcelain.Cookware is correct for an induction hob if …• ... some water boils very quickly on a zone set to the highest heat setting..• ... a magnet pulls on to the bottom of the cookware.The bottom of the cookware must be as thick and flat as possible.Cookware dimensions : induction cooking zones adapt to the dimension of the bottomof the cookware automatically to some limit. But, the magnetic part of the bottom ofthe cookware must have a minimum diameter of approximately 3/4 of the cooking zones.Operating noisesIf you can hear• cracking noise: cookware is made of different materials (Sandwich construction).• whistling: you use one or more cooking zones with high power levels and the cook-ware is made of different materials (Sandwich construction).• humming: you use high power levels.• clicking: electric switching occurs.• hissing, buzzing: the fan operates.The noises are normal and do not refer to any defects.Energy saving• If possible, always put the lids on the cookware.• Put cookware on a cooking zone before you start it.Examples of cooking applicationsThe data in the table is for guidance only.36 Helpful hints and tips