Shure AUDIO PROCESSOR WITH FEEDBACK REDUCTION DFR22 Manual do Utilizador Página 1

DFR22Audio Processorwith Feedback ReductionModel DFR22Installation Guide27B8813 (Rev. )200 Shure IncorporatedPrinted in U.S.A.

ENGLISH8Mute Control ConnectionsFor mute control, use either a latching switch or a momentaryswitch. The total resistance of the cable run from the sw

ENGLISH9SPECIFICATIONS Frequency Response20 Hz to 20 kHz ±1 dBDynamic Range110 dB minimum, A-weighted, 20 Hz to 20 kHzSampling Rate48 kHzDigital-to-A

ENGLISH10Information to UserChanges or modifications not expressly approved by Shure Incorporated could void your authority to operate this equipment.

SHURE Incorporated http://www.shure.comUnited States, Canada, Latin America, Caribbean:5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A.Phone: 847-6

! IMPORTANT SAFETY INSTRUCTIONS !1. READ these instructions.2. KEEP these instructions.3. HEED all warnings.4. FOLLOW all instructions.5. DO NOT use

ENGLISH1DESCRIPTION The DFR22 Audio Processor with Feedback Reduction is a 2–input, 2–output digital audio processor. It is designed to equalize sound

ENGLISH2OVERVIEW Front PanelDFR22 FRONT PANELFigure 1 1. INPUT/OUTPUT Level Meters:– CLIP. Illuminates at 3 dB below clipping level.–0 VU. +4 dBu, –1

ENGLISH3DEFAULT PRESETSThe DFR22 comes with three factory-configured presets. Althougha computer is required to configure the DFR22’s equalizers, dy-n

ENGLISH4DFR22 TheoryFeedback ReductionNo sound system (microphones + mixing/signal processing + power amplifiers/loudspeakers + room acoustics) has an

ENGLISH5POWER AND INITIALIZATION Power Mains ConnectionsUse the supplied power cable to connect the DFR22 Audio Proces-sor to an active 100–240 Vac po

ENGLISH612 dB and 18 dB Output PadsEach DFR22 output has a 12 dB pad and an 18 dB pad that can beengaged through the software interface. Use these pad

ENGLISH7DIP Switch Settings for Networked DevicesAssign each Shure Link device a unique Device ID Number, usingDIP Switches 1–4, as shown in Figure 13