32Safety notesAll the components in this device fulfil the currently validGerman and European safety norms and standards.We ensure that our products are of consistently highquality, and meet all specifications, by checking allmaterials rigorously for quality, using meticulous produc-tion methods and subjecting each unit to a fully auto-matic computer-controlled final inspection.For your own safety please consider it essential to readthese operating instructions right through, and observein particular the notes regarding setting up, operationand safety.The unit must be set up in such a way that none of theconnections can be touched directly (especially bychildren). Be sure to observe the notes and informationin the section 'Installation and Wiring'.The power supply required for this amplifier is printed onthe mains supply socket. The unit must never beconnected to a power supply which does not meet thesespecifications. If the amplifier is not to be used for a longperiod disconnect it from the mains supply at the wallsocket.Mains leads must be deployed in such a way that thereis no danger of damage to them (e. g. through personstreading on them or from furniture). Take particular carewith plugs, distribution panels and connections at theamplifier.Liquid or foreign bodies must never be allowed to getinside the unit through the ventilation slots. Mains vol-tage is present inside the unit, and any electric shockcould cause serious injury or death. Never exert undueforce on mains connectors.Protect the unit from drips and splashes of water; neverplace flower vases or fluid containers on the unit.This device should never be used without proper super-vision. This applies to any electrical unit. Take care tokeep the unit out of the reach of small children.The case should only be opened by a qualified specialisttechnician. Repairs and fuse replacements should beentrusted to an authorised specialist workshop.With the exception of the connections and measuresdescribed in these instructions, no work of any kind maybe carried out on the amplifier by unqualified persons.If the unit is damaged, or if you suspect that it is notfunctioning correctly, immediately disconnect the mainsplug at the wall socket, and ask an authorised specialist workshop to check it.The unit may be damaged by excess voltage in thepower supply, the mains circuit or in aerial systems, asmay occur during thunderstorms (lightning strikes) ordue to static discharges.Special power supply units and excess voltage protec-tors such as the 'Power Bar' mains distributionpanel offer some degree of protection from damage toequipment due to the hazards described above.However, if you require absolute security from damagedue to excess voltage, the only solution is to disconnectthe unit from the mains power supply and any aerialsystems.All mains power supply and aerial systems to which theunit is connected must meet the current regulations andmust be installed by an approved electrical installer.Note:Many insurance companies offer lightning damageinsurance for electrical equipment as part of their house-hold insurance service.