Shure DFR11EQ Guide de l'utilisateur

Model DFR11EQ User GuideShure Brothers Incorporated222 Hartrey AvenueEvanston IL 60202-3696 U.S.A.27A8523 (PJ)1996, Shure Brothers Inc.Printed in U.

9Inserted in an Input ChannelIf only a single microphone is creating feedback problems, the DFR11EQ can be insertedon that channel alone. This is esp

10COMPUTER INTERFACEOverviewThis section describes the Windows based computer interface software which allowsyou to utilize the full features of the S

11Networking Multiple DFR11EQs via the Shure Link InterfaceUp to 16 DFR11EQ’s can be linked together and controlled from a single computer. Eachunit

12Software Functions Main Menu Bar. Through the main menu bar, youcan configure the computer connection to theDFR11EQ, and access other windows f

13Using the Feedback Reducer PanelFeedback Reducer (DFR) Bypass Button and LEDPressing the DFR bypass button suspends the feedback reducer operation a

14Using the Graphic EqualizerAdjusting BandsThe DFR11EQ graphic equalizer looks and functions just like aconventional graphic equalizer. Each slider

15Viewing Response CurvesDFR Response CurvesClicking on the DFR button displays the feedback filter frequency response curve on the graph. This curve

16Accessing Connected DFR11EQsConfiguring the Computer Serial Port1. Launch the DFR11EQ software.2.Click on Setup in the main menu bar.3.Click on the

17DFR11EQ SettingsThe DFR11EQ Settings window contains options for controlling the DIP switches andsetting fixed and dynamic filters. To access the D

18ScenesOnce a DFR11EQ has been set up with a desired combination of settings, they can bestored on disk as a Scene. Although the DFR11EQ automatical

1TABLE OF CONTENTSINTRODUCTION 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

19APPENDICESAppendix A. SpecificationsFrequency Response20 to 20k Hz ± 1.0 dB re 1 kHzDynamic Range104 dB minimum, A-weighted, 20 Hz to 20 kHzSampli

20Appendix B. Rack Mounting the DFR11EQThe DFR11EQ comes in a 1/2-rack chassis specially designed for sturdiness. Thesagging and bending found in mo

21Appendix C. Connectors and CablesNOTE: Except for the Shure Link cable, none of the cables shown come supplied with theDFR11EQ.Audio ConnectorsDFR

221/4-in. to 1/4-in. Balanced TYPICAL APPLICATIONSMixer Line Out to DFR11EQ Input DFR11EQ Output to Amplifier Input DFR11EQ Output to Mixer Sub Ret

23XLR (female) to 1/4-in. Balanced TYPICAL APPLICATIONSMixer Line Out to DFR11EQ Input DFR11EQ Output to Amplifier Input DFR11EQ Output to Mixer Su

24Digital Connectors and CablesComputer Interface — 9-Pin to 9-Pin RS-232 CableFUNCTION—RXTXDTRGNDDSRRTSCTS—PIN #1234567899-PIN FEMALETO COMPUTER9-PIN

25Appendix D. WarrantyWarrantyShure Brothers Inc. (“Shure”) hereby warrants that these products will be free fromdefects in material and workmanship

26NotesMain Menu

The Sound of Professionals...WorldwideShure Brothers Incorporated222 Hartrey AvenueEvanston, IL 60202–3696 U.S.A.Main Menu

2INTRODUCTIONThe Shure Model DFR11EQ is a single channel signal processor that combines afeedback reducer and graphic equalizer in a single, half-rack

3THE DFR11EQOverviewFront Panel     BYPASS Button and LED. Press this button tosuspend feedback reducer operation and removefilters from the

4DIP SwitchesThe DIP switches located on the rear panel are used for adapting the unit to the soundsystem requirements. Switches 5 through 10 change o

5DFR11EQ TheoryFeedback and DFR11EQ OperationWhen acoustical feedback occurs in a sound system, it is because the gain of the systemis too high. Sinc

6Fixed and Dynamic Notch FiltersThe DFR11EQ can control the notch filters as either dynamic or fixed. The DFR11EQ’s10 notch filters are factory preset

7Setup for Feedback ControlThe DFR11EQ will operate stand-alone as a feedback reducer. However, whenconnected to a personal computer running the supp

8Connecting the DFR11EQ in a Sound SystemThe DFR11EQ should be placed where an equalizer would be in a signal path — it shouldbe the final piece of eq