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Alesis DEQ830 manual Basics of Equalization, This page intentionally left blank

Models: DEQ830

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Contents

Reference Manual This page intentionally left blank 100%Table Of Contents Receiving System Exclusive bulk dumps Troubleshooting IndexAlesis Limited Warranty Demonstration modeIntroduction WelcomeDEQ830 Key Features How to Use This Manual This page intentionally left blank Important Safety Instructions English Important Safety InstructionsSafety symbols used in this product 12.Use only with a cart, stand, bracket, or table designed for use with professional audio or music equipment. In any installation, make sure that injury or damage will not result from cables pulling on the apparatus and its mounting. If a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over Instructions de Sécurité Importantes French Symboles utilisés dans ce produit12.N’utilisez qu’avec un stand, ou table conçus pour l’utilisation d’audio professionnel ou instruments de musique. Dans toute installation, veillez de ne rien endommager à cause de câbles qui tirent sur des appareils et leur support Sicherheit Symbole verwendet in diesem Produkt 12.Verwenden Sie ausschließlich Wagen, Ständer, oder Tische, die speziell für professionelle Audio- und Musikinstrumente geeignet sind. Achten Sie immer darauf, daß die jeweiligen Geräte sicher installiert sind, um Schäden und Verletzungen zu vermeiden. Wenn Sie einen Rollwagen benutzen, achten Sie darauf, das dieser nicht umkippt, um Verletzungen auszuschließen CE Declaration of Conformity FCC Compliance StatementThis page intentionally left blank Step 1 Hook it up to a mixer 1Quick Start GuideIf you can’t wait to get started… Step 3 Store the Program 1 Quick Start GuideStep 2 Try some equalization Play some signal into the unitQuick Start Guide Step 4 Save an EQ CurveDEQ830 Diagram 1 Quick Start GuideUnpacking and Inspection Installing in a Rack2Connections Thermal Considerations in Rack Mounting2 Connections AC Power HookupUsing the DEQ830 in another country Connecting Inputs and Outputs ConnectionsUnbalanced I/O Operating Levels 2 ConnectionsBalanced I/O Mono connectionsConnecting to the inserts on an instrument amplifier ConnectionsDigital Signal In, Digital Signal Out Analog Signal In, Digital Signal OutDigital Signal In, Analog Signal Out 2 ConnectionsAbout Audio Cables Connections2 Connections This page intentionally left blankWhat is equalization? 3Basics of EqualizationBand Select 3 Basics of EqualizationDescription of the Front Panel Channel LevelLink PUSH TO LINK Basics of EqualizationBypass All ALL StoreValue Encoder VALUE 3 Basics of EqualizationProgram Numerical LED DisplayProgram mode Description of the Basic ModesBasics of Equalization Edit modeBypass mode 3 Basics of EqualizationRetrieve Curve mode Channel Level modeUtility mode Basics of EqualizationLink mode Real Time Analyzer mode3 Basics of Equalization Basic operation Program modeBasic operation Edit mode Single Band EditBand Solo Basics of EqualizationBand Gain Cut/Boost Ranges 3 Basics of Equalization Gain ChangeSelecting an Edit Group Basics of EqualizationMultiple Band Edit The Relative Gain display3 Basics of Equalization see fig. 1 on page 38. But it wont stop at 12 it will keep racing upward until it reaches 24. This is because that’s how far the band that was set to -12dB had to travel until it hit the “ceiling,” or + 12 dB see figBasics of Equalization The limits of Relative Gain3 Basics of Equalization The Release Edit Group functionBasics of Equalization Basic operation Store modeBasic operation Save Curve mode Basic operation Retrieve Curve modeCopying settings between channels Basic operation Channel Level modeBasic operation Link mode 3 Basics of EqualizationBasics of Equalization Using the VALUE encoder in RTA modeBasic operation Real Time Analyzer mode Displayed Setting3 Basics of Equalization NameBasics of Equalization Basic operation Utility modeMaster Level +/- 6 dB 3 Basics of Equalization Release Edit Group On/OffMIDI Channel ALL Basics of EqualizationEdit Time Out On/Off MIDI Program Change On/OffForce Analog Input Auto/Analog 3 Basics of EqualizationInternal Clock Sample Rate Select 44.1/48 Fast Program Select On/OffBasics of Equalization Receiving System Exclusive bulk dumpsDemonstration mode The Hidden Modes3 Basics of Equalization Lock modeDistortion Equalization ArtifactsBasics of Equalization Noise3 Basics of Equalization Constant Q vs. Variable QWhat makes the DEQ830 unique? Variable Q Basics of EqualizationConstant Q 3 Basics of Equalization Multi-bandapplication and resultsTo further illustrate the differences, here is a pair of examples in which three adjacent bands have settings of + 3 dB, -3dB, and + 3 dB, respectively Basics of Equalization3 Basics of Equalization This page intentionally left blankRock Kick Drum 4ApplicationsGeneral EQ tips Vocal AirEliminating Feedback 4 ApplicationsFiltering effects The answering machineApplications Settings chartComb filtering Applications Line Conditioners and Protectors 5TroubleshootingCare and Maintenance CleaningSolution Test with a known good input 5 TroubleshootingTroubleshooting Index CauseObtaining Repair Service TroubleshootingRefer All Servicing to Alesis 5 Troubleshooting This page intentionally left blankAudio Performance SpecificationsRear Panel I/O switchable MechanicalThis page intentionally left blank Warranty / Contact Alesis Limited WarrantyAlesis Contact Information