- 5 -Before Reading These InstructionsPanasonic welcomes you to our constantly growing family of electronic products owners.We endeavor to give you the advantages of precise electronic and mechanical engineering, manufactured with carefully selected components, andassembled by people who are proud of the reputation their work has built for our company. We know this product will bring you many hours ofenjoyment, and after you discover the quality, value and reliability we have built into it, you too will be proud to be a member of our family.\CQ-RX300W\ \CQ-RX200W\The instruction manual consists of 2 books. One is “Operating Instructions” describing the operations of the main unit.The other is “System Upgrade Guidebook” describing the optional devices such as CD changer.Differences Among 5 ModelsThis operating instruction manual is for 5 models CQ-RX300W, CQ-RX200W, CQ-RX105W, CQ-RX102W and CQ-RX101W. All illustrationsthroughout this manual represent model CQ-RX300W unless otherwise specified. The following table describes the differences among 5 models.ModelsFeatures CQ-RX300W CQ-RX200W CQ-RX105W CQ-RX102W CQ-RX101WRemote Control Unit Included Not included Included Not included Not includedSystem UpgradeGuidebook Included Included Not included Not included Not includedSystem-up Connector Supported Supported Not Supported Not Supported Not SupportedPreamp Out Connector 2 (Front/Rear) 1 (Rear) 1 (Rear) 1 (Rear) 1 (Rear)USB Connector Supported Not Supported Not Supported Not Supported Not SupportedAAC playback Supported Not Supported Not Supported Not Supported Not SupportedButton logo color Green Green Green Green Red