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Alesis DEQ230D manual This page intentionally left blank

Models: DEQ230 DEQ230D

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Alesis DEQ230D manual This page intentionally left blank

Contents

Reference Manual This page intentionally left blank 100%Table Of Contents Chapter Four Applications Introduction Welcome13.BYPASS button DEQ230 Key FeaturesDEQ230D only 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 cant wait to get started 1 Quick Start Guide Step 2 Try some equalizationStep 3 Store the Program Play some signal into the unitQuick Start Guide 1 Quick Start Guide Installing in a Rack 2ConnectionsUnpacking and Inspection Thermal Considerations in Rack Mounting2 Connections AC Power HookupTo use the DEQ230 in another country Connections Connecting Inputs and OutputsUnbalanced I/O Stereo connections 2 ConnectionsBalanced I/O Operating LevelsConnections Connecting to the inserts on an instrument amplifierAnalog Signal In, Digital Signal Out Digital Signal In, Analog Signal OutDigital Signal In, Digital Signal Out 2 ConnectionsAbout Audio Cables Connections2 Connections This page intentionally left blankWhat is equalization? 3Basics of Equalization3 Basics of Equalization Description of the ControlsBYPASS STOREBasics of Equalization Description of the Basic ModesProgram mode Edit mode3 Basics of Equalization Bypass modeAudition mode Channel Level modeBasic operation Program mode Basics of EqualizationBasic operation Edit mode 3 Basics of EqualizationSingle Band Edit Band SoloBasics of Equalization Band Gain Cut/Boost Ranges3 Basics of Equalization Multiple Band EditSelecting an Edit Group The Relative Gain DisplayBasics of Equalization upward until it reaches 24. This is because thats how far the band that was set to -12dB had to travel until it hit the ceiling, or + 12 dB see fig3 Basics of Equalization The Limits of Relative GainBasics of Equalization The Release Edit Group functionBasic operation Store mode 3 Basics of EqualizationBasics of Equalization Channel CopyBasic operation Audition mode 3 Basics of EqualizationBasics of Equalization Audition AutomationManual Audition Audition Automation overrideBasic operation Channel Level mode 3 Basics of EqualizationThe Hidden Modes Basics of EqualizationDemonstration mode Real-timeAnalysis mode DEQ230D onlySetup mode Default3 Basics of Equalization Item buttonButton 1 Master Level +/- 6 dB Basics of EqualizationButton 2 Release Edit Group On/Off 3 Basics of Equalization Button 3 Audition Automation On/OffButton 4 Edit Time Out On/Off Button 5 Lock On/OffBasics of Equalization Buttons 6-12DEQ230D onlyButton 6 MIDI Channel ALL Button 7 MIDI Program Change On/Off3 Basics of Equalization Button 9 System Exclusive Receive WaitingButton 10 MIDI Out/Thru Select Out/Thru Button 11 Sample Rate Select 44.1/48Basics of Equalization HoldPress ResultEqualization Artifacts 3 Basics of EqualizationDistortion NoiseBasics of Equalization Constant Q vs. Variable QWhat makes the DEQ230 unique? Variable Q 3 Basics of EqualizationConstant Q 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 3 Basics of Equalization4Applications Rock Kick DrumVocal Air Tape Hiss Removal4 Applications Filtering effectsEliminating Feedback The answering machineApplications Comb filtering4 Applications This page intentionally left blank5Program Charts Note for all program chartsProgram Charts Program Charts Note for programs 16-20andProgram Charts Narrow Boost 3 800HzProgram Charts Note for programsProgram Charts from magnetic mediaProgram Charts and hot treble, send it through this curveNote for programs Program Chartsartifacts of the sampling process Program Charts more the bass is emphasized5 Program Charts DEQ230 Settings Chart Program Charts5 Program Charts This page intentionally left blank6Troubleshooting Care and MaintenanceLine Conditioners and Protectors Cleaning6 Troubleshooting Troubleshooting IndexSolution Test with a known good input CauseTroubleshooting Obtaining Repair ServiceRefer All Servicing to Alesis Customers in the USA and Canada6 Troubleshooting This page intentionally left blankSpecifications Analog I/O switchableDEQ230D DEQ230This page intentionally left blank Warranty / Contact Alesis Limited WarrantyAlesis Contact Information