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OWNER'S MANUAL DPA-P87 Digital Surround Processor / Amplifier 1 SAFETY PRECAUTIONS The lighting flash with arrowhead, with the equilateral triangle, is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert to the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliances. WARNING - TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT REMOVE THE COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. FCC NOTICE - This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rule. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver. - Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. - Consult the dealer or an experienced radio/TV technician for help. This Class B digital apparatus meets all requirements of the Canadian Interference - Causing Equipment Regulations. Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada. WARNING - CHANGES OR MODIFICATIONS MADE TO THIS PRODUCT, NOT EXPRESSLY APPROVED IN THIS MANUAL OR BY VANTAS, COULD VOID THE USER'S AUTHORITY TO OPERATE THE PRODUCT. WARNING - TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE. CAUTION - TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT. ATTENTION - POUR ÉVITER LES CHOCS ÉLECTRIQUES, INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET POUSSER JUSQU'AU FOND. In the space provided below, record the model and serial No. located on the rear panel of your unit. Model No. Serial No. 2 SAFETY PRECAUTIONS 1. Read Owner's Manual - To assure the finest performance, please read this manual carefully. All the safety and operating instructions should be read before the product is operated. 2. Retain Owner's Manual - Keep this manual in a safe place for future reference. 3. Heed Warnings - All warnings on the product and in the owner's manual should be adhered to. 4. Follow Instructions - All operating and use instructions should be followed. 5. Cleaning - Unplug this product from the wall outlet before cleaning. Use a clean, damp cloth for cleaning. Do not attempt to clean the unit with chemical solvents; this might damage the finish. 6. Ventilation - Slots and openings in the enclosure are provided for ventilation and to ensure the reliable operation of the product and to protect it from overheating. These openings must not be blocked or covered. For example, the product should not be placed on a bed, sofa, rug, or similar surface that may block the ventilation openings. This product should not be placed in a built-in installation, such as a bookcase or cabinet unless proper ventilation is provided in the installation. 7. Heat - The product should be situated away from heat sources such as radiators, heat registers, stoves, or other products (including amplifiers) that produce heat. 8. Water and Moisture - Do not use this product near water for example, near a bath tub, wash bowl, kitchen sink, or laundry tub; in a wet basement; or near a swimming pool; and the like. 9. Install this product away from windows, heat sources, sources of excessive vibration, dust, moisture and cold. Avoid sources of humming (transformers, motors). To prevent fire or electric shock, do not expose the product to rain or moisture. 10. Do not place this product on an unstable cart, stand, tripod, bracket, or table. The product may fall, causing serious injury to a child or adult, and serious damage to the product. 11. A product and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces may cause the product and cart combination to overturn. 12. Power-Sources - This product should be operated only from the type of power source indicated in the operating instructions or as marked on the product. 13. Grounding or Polarization - This product may be equipped with a polarized alternating-current line plug (a plug having one blade wider than the other). This plug will fit into the power outlet only one way. This is a safety feature. If you are unable to insert the plug fully into the outlet, try reversing the plug. If the plug should still fail to fit, contact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the polarized plug. 14. Power-Cord Protection - Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plug and the point where they exit from the unit. 15. Lightning - For added protection for this product during lightning storm, or when it is left unattended and unused for long periods of time, unplug it from the wall outlet. This will prevent damage to the product due to lightning and powerline surges. 16. Overloading - Do not overload wall outlets or extension cords as this can result in a risk of fire or electric shock. 17. Moving - When moving the unit, first disconnect the power plug and the wires connected to other equipment. Never pull the wires themselves. Do not use force on switches, controls or connection wires. 18. Object and Liquid Entry - Never push objects of any kind into this product through openings as they may touch dangerous voltage points or short-out parts that could result in a fire or electric shock. Care should be taken so that objects do not fall into and liquids are not spilled inside the product. 19. Servicing - The user should not attempt to service this unit beyond those means described in the operating instructions. All other servicing should be referred to qualified service personnel. Do not open or remove covers as you may be exposed to dangerous voltage or other hazards. 20. Damage Requiring Service - Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions: a. When the power-supply cord or plug is damaged, b. If liquid has been spilled, or objects have fallen into the product, c. If the product has been exposed to rain or water, d. If the product does not appear to operate normally or exhibits a marked change in performance, and e. The product has been dropped or damaged in any way. 21. Replacement Parts - When replacement parts are required, be sure the service technician has used replacement parts specified by the manufacturer or have the same characteristics as the original part.Unauthorized substitutions may result in fire, electric shock, or other hazards. 22. Safety Check - Upon completion of any service or repairs to this product, ask the service technician to perform safety checks to determine that the product is in proper operating condition. 23. Troubleshooting - Be sure to read the "TROUBLESHOOTING" section regarding common operating errors before concluding that the unit is faulty. IMPORTANT SAFETY INSTRUCTIONS 3 FEATURES · · · · · · · · · · · · · · · · 3 x 100W Center and Surround Channel Power Amplifiers 5.1 Channel Dolby Digital (AC-3) Decoder Pro Logic, MPEG, 2 and 4 Channel Stereo Processing in the Digital Domain 3 Center Channel Modes (Wide/Normal/Phantom) Dolby Digital Karaoke Playback Real-Time VTRACKTM Technology for Automatic Volume Matching Automatic Source Detection & Switching 6-Channel Audio Line Outputs for Flexible System Configuration Thermally Protected Power Amplifier 20-bit Digital-to-Analog (D/A) Converters on all 6 Channels Dual Transformer Design (Dedicated Toroid for the Amplifier) Test Tone Generator for Accurate Speaker Balance Adjustments Programmable Dynamic Range Settings Adjustable Bass Crossover Fluorescent Display Dim Control Low-Profile Design for Convenient Installation Manufactured under license from Dolby Laboratories Licensing Corporation "Dolby", "AC-3", "Pro Logic", and the double-D symbol are trademarks of Dolby Laboratories. Confidential unpublished works. © 1992-1993 Dolby Laboratories, Inc. All rights reserved. 4