[. . . ] At the same time, it removes remaining food particles from between your teeth and massages your gums. Should this be the case, take the appliance to a Braun Service Centre. [. . . ] You can choose between two different jet functions by sliding the jet switch down or up (before doing so, turn off the water stream by pushing the sliding switch down): Irrigator jet Jet switch Jet compartment Jet release button On/off switch Water pressure control dial Sliding switch (water stop and go) h Irrigator handle i Water container (600 ml / 20 fl. Rotating stream: for general cleaning and gum massage ( jet switch in lower position) The rotation of the water stream and its micro-bubbles is designed for easy penetration below the gumline. Otherwise bacteria could collect in the remaining water, if the unit is not used for some time. If your dentist has recommended use of a chlorhexidine solution with your irrigator, allow some water to run through the irrigator after use to prevent any deposit build-up. The irrigator will automatically turn off after 10 minutes if you forget to turn it off manually. In this case, to turn it on again, you have to press the on /off switch twice. Operating time: 15 minutes Cooling off time: 2 hours This product conforms to the EMCRequirements as laid down by the Council Directive 89/336/EEC and to the Low Voltage Regulation (73/23 EEC). Within the guarantee period we will eliminate, free of charge, any defects in the appliance resulting from faults in materials or workmanship, either by repairing or replacing the complete appliance as we may choose. This guarantee extends to every country where this appliance is supplied by Braun or its appointed distributor. This guarantee does not cover: damage due to improper use, normal wear or use as well as defects that have a negligible effect on the value or operation of the appliance. [. . . ] The first digit of the production code refers to the last digit of the year of manufacture. The next two digits refer to the calendar week in the year of the manufacture. [. . . ]