46• Overheated fats and oils catch fire quickly. You should supervisecooking when preparing foods in fat or oil (e.g. chips).• Switch off the cooking zones after use.Special Notes on Induction Cooking ZonesZones• Scientific studies have shown that patients who are fitted with im-planted pacemakers are not normally affected or put at risk by ourinduction cooking zones.The distance between the body and the cooking zone should, howev-er, never be less than 30 cm!• Electromagnetic fields can affect electronic circuits and interferewith portable transistor radios.• Do not put magnetically rechargeable objects (e.g., credit cards, cas-settes) on the glass ceramic surface while one or more inductioncooking zones are in use!• Do not put any metallic objects (e.g., spoons, pan lids) on the induc-tion surface as they can be warmed up when the induction surface isin use.3 Some cookware can produce noises when used on induction cookingzones. This is not a fault in the hob and its function will not be im-paired in any way as a result.Safety When Cleaning• For safety reasons do not clean the appliance with a steam jet or highpressure cleaner.• Clean the hob in accordance with the maintenance and cleaning in-structions in this manual.To Avoid Damaging Your Appliance• Do not use the hob as a work surface or for storage.• Do not operate the cooking zones when there is no pan or the pansare empty.• Glass ceramic is insensitve to temperature shock and very robust;however it is not unbreakable. Especially sharp and hard objects thatfall on the cooking surface can damage it.• Do not use cast iron pans or pans with a rough, burred or damagedbase. Scratching may occur if the pans are slid across the surface.• Do not place any pans on the hob frame. Scratching and damage tothe paint may occur.