4Safety Information (continued)CQ-C7703N/C7303NThis operating instruction manual is for 2 models CQ-C7703N and CQ-C7303N.The difference among these models’ are mentioned below.All screens and main body illustrations in this book represent CQ-C7703N unless otherwise specified.Panasonic 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 carefullyselected components, and assembled by people who are proud of the reputation their work has built for our company. Weknow this product will bring you many hours of enjoyment, and after you discover the quality, value and reliability we havebuilt into it, you too will be proud to be a member of our family.Before Reading These InstructionsDifferences Among 2ModelsNoYesAUX Setting (a page 34)23 W40 WPower Output50 W70 WMax. outputAnalogDigitalAmplifierCQ-C7303NCQ-C7703NModelsFeaturesThe instruction manual consists of 2 books. One is “Operating Instructions” describing the operations of the mainunit. The other is “System Upgrade Guidebook” describing the optional devices such as CD changer.Laser ProductLabel Indications and Their LocationsCAUTIONLASER RADIATION WHEN OPEN. DO NOT STARE INTOBEAM.CLASS 1 LASER PRODUCTDeck Ass’y (Upper Side)VAROITUS – LASER-SÄTEILYVAARAAVATTAESSA. VAROALTISTUMISTASÄTEELLE.FÖRSIKTIGHET –LASERSTRÅLNING IÖPPNAT LÄGE. UNDVIKATT UTSÄTTAS FÖRSTRÅLEN.ADVARSEL – LASER-STRÅLING. UNNGÅEKSPONERING FORSTRÅLEN VED ÅPNING.ÇçàåÄçàÖ – ãÄáÖêçéÖàáãìóÖçàÖ èêàéíäêõíàà. àáÅÖÜÄíúÇéáÑÖâëíÇàü ãÄáÖêçéÉéàáãìóÖçàü.CAUTION - LASER RA-DIATION WHEN OPEN.AVOID EXPOSURE TOBEAM.VORSICHT - LASER-STRAHLUNG, WENNGEÖFFNET. VERMEIDENSIE EIN AUSSETZENGEGENÜBER DEMLASERSTRAHL.ATTENTION –RAYONNEMENT LASERSI OUVERT, ÉVITERTOUTE EXPOSITION AUFAISCEAU.ADVARSEL – LASERUDSENDES NÅR DERER ÅBNET. UNDGÅUDSÆTTELSE FORSTRÅLER.CautionTHIS PRODUCT IS A CLASS 1 LASER PRODUCT.USE OF CONTROLS OR ADJUSTMENTS OR PER-FORMANCE OF PROCEDURES OTHER THAN THOSESPECIFIED HEREIN MAY RESULT IN HAZARDOUSRADIATION EXPOSURE.DO NOT OPEN COVERS AND DO NOT REPAIR BYYOURSELF. REFER SERVICING TO QUALIFIED PER-SONNEL.Do not take apart this unit or attempt tomake any changes yourself.This unit is a very intricate device that uses a laserpickup to retrieve information from the surface ofcompact discs. The laser is carefully shielded so thatits rays remain inside the cabinet.Therefore, never try to disassemble the player or alterany of its parts since you may be exposed to laserrays and dangerous voltages.