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Contents Reference Manual This page intentionally left blank Table Of Contents Chapter Four Applications Introduction WelcomeDEQ830 Key Features How to Use This Manual This page intentionally left blank Important Safety Instructions Important Safety Instructions EnglishSafety symbols used in this product Please follow these precautions when using this productPage Symboles utilisés dans ce produit Instructions de Sécurité Importantes FrenchPage Sicherheit Symbole verwendet in diesem Produkt Lesen Sie bitte die folgende Sicherheitshinweise GermanPage CE Declaration of Conformity FCC Compliance StatementThis page intentionally left blank If you can’t wait to get started… Quick Start GuideHook it up to a mixer Try some equalization Play some signal into the unitStore the Program Save an EQ Curve DEQ830 Diagram Installing in a Rack ConnectionsUnpacking and Inspection Thermal Considerations in Rack MountingAC Power Hookup Using the DEQ830 in another countryConnecting Inputs and Outputs Unbalanced I/OBalanced I/O Operating LevelsMono connections Stereo connectionsConnecting to the inserts on an instrument amplifier Connecting to equipment with XLR inputs and outputsDigital Signal In, Analog Signal Out Analog Signal In, Digital Signal OutDigital Signal In, Digital Signal Out About Audio Cables This page intentionally left blank What is equalization? Basics of EqualizationDescription of the Front Panel Bypass All ALL Link Push to LinkStore CompareValue Encoder Value ProgramNumerical LED Display Program mode Edit modeStore mode Save Curve modeBypass mode Retrieve Curve modeChannel Level mode Utility mode Link modeReal Time Analyzer mode Basic operation Edit mode Basic operation Program modeSingle Band Edit Band Solo Band Gain Cut/Boost RangesLED Multiple Band Edit Selecting an Edit GroupRelative Gain display Proportional Gain MemoryBasics of Equalization Limits of Relative Gain Release Edit Group function Basic operation Store mode Basic operation Save Curve modeBasic operation Link mode Basic operation Channel Level modeCopying settings between channels Basic operation Real Time Analyzer mode Using the Value encoder in RTA modeSetting Metering modesBasic operation Utility mode Master Level +/- 6 dBRelease Edit Group On/Off Edit Time Out On/Off Midi Channel ALLMidi Program Change On/Off Midi Out/Thru Select Out/ThruPeak Mode 0, 1, 2, Inf Internal Clock Sample Rate Select 44.1/48Force Analog Input Auto/Analog Fast Program Select On/OffReceiving System Exclusive bulk dumps Lock mode Demonstration modeHidden Modes Equalization Artifacts DistortionNoise PhasingConstant Q vs. Variable Q What makes the DEQ830 unique?Variable Q Constant QMulti-band application and results Basics of Equalization This page intentionally left blank Applications General EQ tipsRock Kick Drum Vocal AirEliminating Feedback Filtering effectsAnswering machine Settings chart Comb filteringApplications Troubleshooting Care and MaintenanceCleaning Line Conditioners and ProtectorsTroubleshooting Troubleshooting IndexObtaining Repair Service Refer All Servicing to AlesisCustomers in the USA and Canada Customers outside the USA and CanadaThis page intentionally left blank Audio Performance SpecificationsMechanical This page intentionally left blank Warranty / Contact Alesis Limited WarrantyAlesis Contact Information