Before attempting to connect or operate this product,please read these instructions carefully and save this manual for future use.Extension UnitModel No. WJ-HDE510The serial number of this product may be found on the bot-tom of the unit.You should note the serial number of this unit in the spaceprovided and retain this book as a permanent record of yourpurchase to aid identification in the event of theft.Model No.Serial No.WARNING:• To reduce the risk of fire or electric shock, do not expose this product to rain or moisture.• All work related to the installation of this product should be made by qualified service personnel or system installers.• Never look into the DVD-RAM drive of this product. The laser diode incorporated in the drive emits invisible infraredradiation which is harmful to the eyes.The lightning flash with arrowhead sym-bol, within an equilateral triangle, isintended to alert the user to the pres-ence of uninsulated "dangerous voltage"within the product's enclosure that maybe of sufficient magnitude to constitute arisk of electric shock to persons.The exclamation point within an equilat-eral triangle is intended to alert the userto the presence of important operatingand maintenance (servicing) instructionsin the literature accompanying the appli-ance.CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,DO NOT REMOVE COVER (OR BACK).NO USER-SERVICEABLE PARTS INSIDE.REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.CAUTIONRISK OF ELECTRIC SHOCKDO NOT OPENSA 1965SA 1966NOTE: This equipment has been tested and found to complywith the limits for a Class A digital device, pursuant to Part 15of the FCC Rules. These limits are designed to provide rea-sonable protection against harmful interference when theequipment is operated in a commercial environment. Thisequipment generates, uses, and can radiate radio frequencyenergy and, if not installed and used in accordance with theinstruction manual, may cause harmful interference to radiocommunications.Operation of this equipment in a residential area is likely tocause harmful interference in which case the user will berequired to correct the interference at his own expense.FCC Caution: To assure continued compliance, (example -use only shielded interface cables when connecting to com-puter or peripheral devices). Any changes or modificationsnot expressly approved by the party responsible for compli-ance could void the user’s authority to operate this equip-ment.For U.S.ACAUTION:• Read the label on the bottom of the unit for identification of this product, and the power ratings.