4 INFORMATIONInformationImportant Safety InformationVerify Line Voltage Before UseYour HD3700 has been designed for use withAC 100–240V. Connection to a line voltage otherthan that for which it is intended can create asafety and fire hazard, and may damage the unit.If you have any questions about the voltagerequirements for your specific model, or aboutthe line voltage in your area, contact your sellingdealer before plugging the unit into a wall outlet.Do Not Use Extension CordsWe do not recommend that extension cordsbe used with this product. As with all electricaldevices, do not run power cords under rugs orcarpets or place heavy objects on them.Damaged power cords should be replacedimmediately by an authorized service depot withcords meeting factory specifications.Handle The AC Power Cord GentlyWhen disconnecting the power cord from anAC outlet always pull the plug, never pull thecord. 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 presenta shock hazard, and any modification to theproduct 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.CAUTION: The HD3700 uses a laser system.To prevent direct exposure to the laser beam,do not open the cabinet enclosure or defeatany of the safety mechanisms provided for yourprotection. DO NOT STARE INTO THE LASERBEAM. To ensure proper use of this product,please read this owner’s manual carefully andretain it for future use. Should the unit requiremaintenance or repair, please contact your localHarman Kardon service station. Refer servicing toqualified personnel only.Installation Locationn To assure proper operation, and to avoid thepotential for safety hazards, place the uniton a firm and level surface. When placingthe unit on a shelf, be certain that the shelfand any mounting hardware can support theweight of the product.n Make certain that proper space is providedboth above and below the unit forventilation. If this product will be installedin a cabinet or other enclosed area, makecertain that there is sufficient air movementwithin the cabinet.n Do not place the unit directly on a carpetedsurface.n Avoid installation in extremely hot or coldlocations, or an area that is exposed to directsun light or heating equipment.n Avoid moist or humid locations.CleaningWhen the unit gets dirty, wipe it with a clean,soft dry cloth. If necessary, wipe it with asoft cloth dampened with mild soapy water,then a fresh cloth with clean water. Wipedry immediately with a dry cloth. NEVER usebenzene, thinner, alcohol or any other volatilecleaning agent. Do not use abrasive cleaners,as they may damage the finish of metal parts.Avoid spraying insecticide near the unit.Moving The UnitBefore moving the unit, be certain todisconnect any interconnection cords withother components, and make certain that youdisconnect the unit from the AC outlet.UnpackingThe carton and shipping materials used toprotect your new HD3700 during shipment werespecially 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 down to a more two-dimensional appearance. Other card board insertsmay be stored in the same manner.Packing materials that cannot be collapsedshould be saved along with the carton in aplastic 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 discard thosematerials at a local recycling center.