Alesis DEQ830 manual

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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.

13.Unplug this apparatus during lightning storms or when unused for long periods of time.

14.Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as when the power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

15.This unit produces heat when operated normally. Operate in a well-ventilated area with at least six inches of clearance from peripheral equipment.

16.This product, in combination with an amplifier and headphones or speakers, may be capable of producing sound levels that could cause permanent hearing loss. Do not operate for a long period of time at a high volume level or at a level that is uncomfortable. If you experience any hearing loss or ringing in the ears, you should consult an audiologist.

17.Do not expose the apparatus to dripping or splashing. Do not place objects filled with liquids (flower vases, soft drink cans, coffee cups) on the apparatus.

18.WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.

19.The unit is an audio device, whose power supply may be subject to surrounding electronic interference. Once installed, if you find that the unit is malfunctioning, the problem may be solved by resetting the unit, relocating the unit, or by installing a line-conditioner.

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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 Safety symbols used in this product Important Safety InstructionsImportant Safety Instructions English 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 Unpacking and Inspection Installing in a RackConnections Thermal Considerations in Rack MountingAC Power Hookup Using the DEQ830 in another countryConnecting Inputs and Outputs Unbalanced I/OMono connections Balanced I/OOperating Levels 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 Store Bypass All ALLLink Push to Link CompareValue Encoder Value ProgramNumerical LED Display Store mode Program modeEdit 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 Relative Gain display Multiple Band EditSelecting an Edit Group 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 Midi Program Change On/Off Edit Time Out On/OffMidi Channel ALL Midi Out/Thru Select Out/ThruForce Analog Input Auto/Analog Peak Mode 0, 1, 2, InfInternal Clock Sample Rate Select 44.1/48 Fast Program Select On/OffReceiving System Exclusive bulk dumps Lock mode Demonstration modeHidden Modes Noise Equalization ArtifactsDistortion 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 Rock Kick Drum ApplicationsGeneral EQ tips Vocal AirEliminating Feedback Filtering effectsAnswering machine Settings chart Comb filteringApplications Cleaning TroubleshootingCare and Maintenance Line Conditioners and ProtectorsTroubleshooting Troubleshooting IndexCustomers in the USA and Canada Obtaining Repair ServiceRefer All Servicing to Alesis 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