4 INTRODUCTION / SAFETY INFORMATIONIntroduction / Safety InformationThis system was designed to provide you withmany years of reliable operation with a minimumof care and maintenance. Every component inyour system was in perfect working conditionwhen it left our factory. If you experience anyproblems with the set-up or operation of this sys-tem, please review the Troubleshooting Guide atthe end of this manual before you contact yourauthorized Harman Kardon dealer.Important Safety InformationVerify Line Voltage Before UseYour HS 300 has been designed for use with220-240-Volt AC current. Connection to a linevoltage other than that for which it is intendedcan create a safety and fire hazard and maydamage the unit.If you have any questions about the voltagerequirements for your specific model, or aboutthe line voltage in your area, contact your dealerbefore plugging the unit into a wall outlet.Do Not Use Extension CordsTo avoid safety hazards, use only the power cordattached to your unit. We do not recommendthat extension cords be used with this product.As with all electrical devices, do not run powercords under rugs or carpets or place heavyobjects on them. Damaged power cords shouldbe replaced immediately by an authorized servicedepot with a cord meeting factory specifications.Handle the AC Power Cord GentlyWhen disconnecting the power cord from an ACoutlet, always pull the plug, never pull the cord.If you do not intend to use the unit for anyconsiderable length of time, disconnect the plugfrom the AC outlet.Do Not Open the CabinetThere are no user-serviceable components insidethis product. Opening the cabinet may present ashock hazard, and any modification to the prod-uct will void your guarantee. If water or anymetal object such as a paper clip, wire or a stapleaccidentally falls inside the unit, disconnect itfrom the AC power source immediately, andconsult an authorized service station.Installation Location■ To assure proper operation and to avoid thepotential for safety hazards, place the unit ona firm and level surface. When placing the uniton a shelf, be certain that the shelf and anymounting hardware can support the weight ofthe product.■ Make certain that proper space is providedboth above and below the unit for ventilation.If this product will be installed in a cabinet orother enclosed area, make certain that there issufficient air movement within the cabinet.Under some circumstances a fan may berequired.■ Do not place the unit directly on a carpetedsurface.■ Avoid installation in extremely hot or coldlocations, or an area that is exposed to directsunlight or heating equipment.■ Avoid moist or humid locations.■ Do not obstruct the ventilation slots on thetop of the unit, or place objects directly overthem.CleaningWhen the unit gets dirty, wipe it with a clean,soft, dry cloth. If necessary, wipe it with a softcloth dampened with mild soapy water, then afresh cloth with clean water. Wipe dry immediate-ly with a dry cloth. NEVER use benzene, aerosolcleaners, thinner, alcohol or any other volatilecleaning agent. Do not use abrasive cleaners, asthey may damage the finish of metal parts. Avoidspraying insecticide near the unit.Moving the UnitBefore moving the unit, be certain to disconnectany interconnection cords with other compo-nents, and make certain that you disconnect theunit from the AC outlet.UnpackingThe carton and shipping materials used to pro-tect your new receiver during shipment were spe-cially designed to cushion it from shock andvibration. We suggest that you save the cartonand packing materials for use in shipping if youmove, or should the unit ever need repair.To minimize the size of the carton in storage, youmay wish to flatten it. This is done by carefullyslitting the tape seams on the bottom andcollapsing the carton. Other cardboard insertsmay be stored in the same manner. Packingmaterials that cannot be collapsed should besaved along with the carton in a plastic bag.If you do not wish to save the packagingmaterials, please note that the carton and othersections of the shipping protection are recyclable.Please respect the environment and discardthose materials at a local recycling center.CopyrightAudio-visual material may consist of copyrightworks which must not be recorded without thepermission of the owner of the copyright.Please refer to relevant laws covering copyrightprotection.Copy protectionThis DVD player supports Macrovision copy pro-tection. On DVD discs that include a copy protec-tion code, if the contents of the DVD disc arecopied using a VCR, the copy protection codeprevents the videotape copy from playing nor-mally.For Optimum PerformanceThe controller is a precision device that is con-structed using extremely accurate technology.Soiling or friction affecting the pickup lens or discdrive can impair the image quality. In the worstcase, neither video nor audio will be played back.To obtain optimum picture quality, the playershould be checked (cleaning and replacement ofsome parts) every 1,000 hours. Note that thisperiod varies depending on the environment(temperature, humidity, dust) in which the playeris used.Do not attempt to clean the pickup lensyourself.