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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 WelcomeDEQ230 Key Features 13.BYPASS buttonDEQ230D only How to Use This Manual This page intentionally left blank Important Safety Instructions Important Safety Instructions EnglishSafety 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 1Quick Start Guide Step 1 Hook it up to a mixerIf you cant 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 1 Quick Start Guide Unpacking and Inspection Installing in a Rack2Connections Thermal Considerations in Rack MountingAC Power Hookup 2 ConnectionsTo use the DEQ230 in another country Connecting Inputs and Outputs ConnectionsUnbalanced I/O Balanced I/O Stereo connections2 Connections Operating LevelsConnections Connecting to the inserts on an instrument amplifierDigital 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 EqualizationBYPASS 3 Basics of EqualizationDescription of the Controls STOREProgram mode Basics of EqualizationDescription of the Basic Modes Edit modeAudition mode 3 Basics of EqualizationBypass mode Channel Level modeBasic operation Program mode Basics of EqualizationSingle Band Edit Basic operation Edit mode3 Basics of Equalization Band SoloBasics of Equalization Band Gain Cut/Boost RangesSelecting an Edit Group 3 Basics of EqualizationMultiple Band Edit 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 EqualizationManual Audition Basics of EqualizationAudition Automation Audition Automation overrideBasic operation Channel Level mode 3 Basics of EqualizationDemonstration mode The Hidden ModesBasics of Equalization Real-timeAnalysis mode DEQ230D only3 Basics of Equalization Setup modeDefault Item buttonBasics of Equalization Button 1 Master Level +/- 6 dBButton 2 Release Edit Group On/Off Button 4 Edit Time Out On/Off 3 Basics of EqualizationButton 3 Audition Automation On/Off Button 5 Lock On/OffButton 6 MIDI Channel ALL Basics of EqualizationButtons 6-12DEQ230D only Button 7 MIDI Program Change On/OffButton 10 MIDI Out/Thru Select Out/Thru 3 Basics of EqualizationButton 9 System Exclusive Receive Waiting Button 11 Sample Rate Select 44.1/48Press Basics of EqualizationHold ResultDistortion Equalization Artifacts3 Basics of Equalization NoiseConstant Q vs. Variable Q Basics of EqualizationWhat makes the DEQ230 unique? 3 Basics of Equalization Variable QConstant 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 EqualizationVocal Air 4ApplicationsRock Kick Drum Tape Hiss RemovalEliminating Feedback 4 ApplicationsFiltering effects 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 curveProgram Charts Note for programsartifacts of the sampling process Program Charts more the bass is emphasized5 Program Charts DEQ230 Settings Chart Program Charts5 Program Charts This page intentionally left blankLine Conditioners and Protectors 6TroubleshootingCare and Maintenance CleaningSolution Test with a known good input 6 TroubleshootingTroubleshooting Index CauseRefer All Servicing to Alesis TroubleshootingObtaining Repair Service Customers in the USA and Canada6 Troubleshooting This page intentionally left blankDEQ230D SpecificationsAnalog I/O switchable DEQ230This page intentionally left blank Warranty / Contact Alesis Limited WarrantyAlesis Contact Information