3User Guide (English)IntroductionPlease see this guide’s Setup chapter to learn how to integrate DN-500DC with your audiosystem, and then refer to the Operation chapter to start using DN-500DC.Box ContentsDN-500DCPower CableRack Ears and ScrewsRemote ControlUser GuideSafety & Warranty ManualSupportFor the latest information about this product (system requirements, compatibility information,etc.) and product registration, visit denonpro.com.Safety InstructionsBefore turning the poweron:Make sure all connections are secure and correct and that there areno problems with the connection cables.Power is supplied to some of the circuitry even when the unit ispowered off. When the unit will not be used for long periods of time,disconnect the power cable from the power outlet.Proper ventilation: If the unit is left in a room which is not properly ventilated or is full ofsmoke from cigarettes, dust, etc. for long periods of time, the surfaceof the optical pickup may get dirty, causing incorrect operation.About condensation: If there is a major difference in temperature between the inside of theunit and the surroundings, condensation may form inside the unit,causing the unit not to operate properly. If this happens, let the unitsit for an hour or two while powered off, and wait until there is littledifference in temperature before using the unit.Cautions on using mobilephones:Using a mobile phone near this unit may cause noise. If this occurs,move the mobile phone away from this unit when it is in use.Moving the unit: Before moving the unit, turn off its power and disconnect the powercable from the power outlet. Next, disconnect its connection cablesfrom other devices before moving it.About care: Wipe the cabinet and control panel clean with a soft cloth.Follow the instructions when using a chemical cleaner.Do not use benzene, paint thinner, insecticide, or other organicsolvents to clean the unit. These materials can cause materialchanges and discoloration.Rackmount warnings:(required rack specifications formounting the unit in a rack)EIA standard 19-inch (48.3cm) rack1U-size installation compatible rackRack that has a guide rail or shelf board thatcan support this deviceRack installation: This product will work normally when the playerunit is mounted within 10° off the vertical planeat the front panel. If the unit is tilted excessively,the disc may not load or unload properly. (Seeimage.) UnitMaximum10°