Behringer Feedback Destroyer Pro DSP1100P Bedienungsanleitung

1EUser´s ManualBedienungsanleitungDVersion 1.0 October 1998FEEDBACKDESTROYER® PRO DSP1100Pwww.behringer.de

10Fig. 1.3: Function keys and jog wheel5With the JOG WHEEL, a continuous rotary control, you can freely edit the selected parameters. Turnthe wheel cl

11E+ Press and keep the keys FILTERSELECT and STORE before powering up theFEEDBACK DESTROYER PRO. Then switch on the FEEDBACK DESTROYER PRO and keep

122.1 Activating/deactivating the filtersIn OF mode, the corresponding filter is deactivated and can be activated by selecting one of the modesdescr

13Eonly after about one second, which is indicated by a dot in the lower right corner of the display.After loading the data, the FEEDBACK DESTROYER PR

142.4.4 Storing programsUse the STORE key to store the program. Basically, all parameter changes in Parametric EQ mode can besaved. Filters working in

15Evia MIDI. Accordingly, the value 1 enables MIDI controller #18 so that you can modify or replace presetswith a remote MIDI device or a sequencer.

163.1 Level settingTake care to set levels properly on the FEEDBACKDESTROYERPRO! Low levels deteriorate the dynamicsof the music signal, which resul

17Esituations.Before applying the FEEDBACK DESTROYER PRO, it is therefore advisable to remove the condition causingthe feedback problems. For example,

183.4 Using the FEEDBACK DESTROYER PRO in single channels and sub-groupsMaster OutP.A. SystemSub-GroupInsertChannelInsertFig. 3.3: Inserting the FEEDB

19E3.7 Special remarks3.7.1 Digital overflowWhen using the FEEDBACK DESTROYER PRO as a parametric equalizer (Parametric EQ mode) andapplying extreme a

2acc. to the Directives89/336/EWG and 73/23/EWGWe, BEHRINGER INTERNATIONAL GmbHHanns-Martin-Schleyer-Straße 4D - 47877 WillichName and address of the

20The range of sound pressure levels or the dynamic range of human hearing encompasses a factor of10,000,000. This enormous range of values is difficu

21E0 dB-2 dB-4 dB-6 dB-8 dB-10 dB-12 dB1 kHz5 kHz200 HzBandwidth = 600 HzFilter attenuated by 8 dB at 1kHzCenter frequency= 1 kHz-3 dBFig. 4.2: Typica

22MicrophoneMixing ConsolePower AmpSpeaker BoxFig. 4.3: Typical feedback loopBasically, any microphone signal passing through an amplifier is liable t

23EOf course, you can use the FINE button to fine tune to frequencies between the standard ISO frequencies (in1/60-octave steps) within a range of 1/3

24s Quick filter settings can be realized by using standard ISO values for the allocation of frequency bands.Subsequently, you can fine tune the frequ

25EQuantization StepsU (Voltage)-8 -7 -6 -5 -4 -3 -2Digital Words111111101101110010111010100110000000t (Time)0001001000110100

26does not comply, then it is necessary to switch the operating voltage to the correct supply requirementsBEFORE turning on the unit, otherwise the un

27EUnbalanced use ofmono 1/4" jack plugsRingBalanced use ofstereo 1/4" jack plugsBalanced use with XLR connectors1 232 13Input OutputTip =Si

285.5 Operating level SwitchTo adapt the FEEDBACK DESTROYER PRO to the used operating level, the unit can be switched betweenhomerecording level (-10

29E6.2 Preset tablePreset Filter 1 Filter 2 Filter 3 Filter 4 Filter 5 Filter 6 Filter 7 Filter 8 Filter 9 Filter 10 Filter 11 Filter 121LSI SI SI SI

3EThis symbol, wherever it appears, alertsyou to the presence of uninsulateddangerous voltage inside the enclosure- voltage that may be sufficient to

306.3 MIDI implementationParameter Name Display Range Midi Control NumberControl Value RangeLEDsCouple Left Right IN on IN off IN flashingFilter Sel

31E6.4 SpecificationsAnalog InputsConnectors XLR and 1/4" jackType RF filtered, servo balanced inputImpedance 60 kOhms balanced, 30 kOhms unbalan

32this modification/adaptation shall not be considered a defect inmaterials or workmanship. The warranty does not cover anysuch modification/adaptatio

4DSP1100PFEEDBACKDESTROYERPROUltra-high performance 2-channel digital Feedback Destroyer / Parametric EQ powered by a 24-bit high-speed DSPs 20-bit

5EFOREWORDDear Customer,Welcome to the team of FEEDBACKDESTROYERPRO users and thank you very much for expressing yourconfidence in BEHRINGER product

6TABLE OF CONTENT1. INTRODUCTION...

7E1. INTRODUCTIONWith the FEEDBACK DESTROYER PRO you have purchased a highly useful device for the control of soundreinforcement systems, which will e

8Electrostatic charges might affect the operation of the FEEDBACKDESTROYERPRO!For further information on correct installation see chapter 5 Install

9EOn start-up; all active filters (AU/SI) are indicated by flashing LEDs. When feedback has been detected anddealt with, the LED stops flashing. When