- 23 -WARNING! Fire or explosion hazard!Follow the safety instructions listed in order to avoid the hazard:• Never operate the device near combustible, easily flammablematerials (e.g. petrol, spirit, alcohol etc.). They evaporate throughheating and in case of contact with ignition sources deflagrationscan occur which can lead to serious personal injuries and propertydamages.• Do not use the device near the inflammable objects or under them(e.g. curtains, wall mounted cabinets etc.)• When a fire arises unplug the power cord from the socket before youinitiate appropriate measures for fire-fighting. Provide sufficient supplyof fresh air. Caution: Never extinguish the fire with water when thepower plug is connected to the socket. Electric shock hazard!1.2 Key to symbolsIn this manual, symbols are used to highlight important safety instructions and anyadvice relating to the device. The instructions should be followed very carefully to avoidany risk of accident, personal injury or material damage.WARNING!This symbol highlights hazards which could lead to injury.WARNING!This symbol highlights dangerous situations which could lead to injury or death.