DATA-MANEX_DSP1124P_GSHEET_Rev. A.p65 - Edu
Contents
1. FEEDBACK DESTROYER PRO DSP 1124P Quickguide 1 INSTALLING THE DSP1124P Monitor 1 Monitor System Monitor 2 P A System i EA EA 7 Power Amp Fi g PowerAmp ae IC o 5 oo off aBa o Ma Input 1 Input 2 Pre Fader Aux Send 1 Pre Fader Aux Send 2 Master Out P A System i f 1 A 1 Ea Bs LOOK aagana Ala i i ma O aasa dA 1 y y i Soo af A Channel Sub Group Insert Insert Master Out m cocooooo m Ml 00000000 m lI 60000060 m lI 00000000 m M1 00606066 m Ml 00000000 m Ml 00000000 m Mi 00000000 m mi 00000060 m Ii 00000000 m lH 00006000 m Ml 00000000 m Ml 00000000 m ll e000cc00 m Ii 00000000 m mi cocooccoco Frrennra on o Using the DSP1124P for specific mics connecting the FEEDBACK DESTROYER PRO in either channel or sub group inserts I The FEEDBACK DESTROYER PRO is not intended to be connected directly to the microphones If this is unavoidable then we recommend our proven BEHRINGER SHARK DSP110 instead which is equipped with a dedicated microphone preamplifier 2 PRIMING THE DSP1124P FOR P A AND MONITOR APPLICATIONS A Check the setting of the OPERATING LEVEL switch on the rear of the unit For most P A systems this switch should be set to 4 dB If in doubt please consult the user s manual of your mix2. STORE ea for the second time use the JOG WHEEL ay to save your changes under a different preset number 5 ADJUSTING PARAMETRIC FILTERS A Ifyou wish to use the DSP1124 purely as a parametric EQ then using the JOG WHEEL select preset number 4 or 5 A The Parametric EQ PA mode allows you to adjust the individual filter parameters manually BANOWDTH FREQUENCY FNE 1 800071 A You can now select the individual parameters GAIN GJ BANDWIDTH E FREQUENCY E amp FINE E ana adjust each one accordingly using the JOG WHEEL A What to do if you are modifying a different preset eg preset number 1 First of all the chosen filter must be set to PA parametric mode Use the FILTER SELECT key to select a filter Press and hold FILTER MODE key FATER MODE for about one second if this filter was previously in AU or LO mode then the automatically determined filter parameters will be retained A If you are looking to suppress a particular frequency and you wish to target this frequency manually first of all select a PA filter as described above A Then set the bandwidth of ca 20 one third of an octave and a boost gain of 16 dB Then select the frequency and use the JOG WHEEL to sweep from low 20 Hz to high 20 KHz When you have approximately located the problem frequency it will have got worse adjust FINE to hone in exactly Then reduce the gain to a point where the problem is eliminated
3. Then reduce the bandwidth to a minimum a point just before the problem starts again 2001 BEHRINGER Spezielle Studiotechnik GmbH
4. c EQ Single Shot FEEDBACK DESTROYER PRO filter operating modes gt However the Locked mode cannot be selected directly when a filter which was selected as Single Shot detects a feedback frequency the filter is automatically set and locked i e the filter is locked to the problem frequency and keeps an eye on it You can only unlock such a filter by manually re selecting its mode as described later in this chapter NEL ENGINE the same time Couple mode press both ENGINE keys together only realistic for use as a parametric EQ FLT SET A Then press the FILTER SELECT key and use the JOG WHEEL to select the filter number 1 12 FLITE MODE A Press the FILTER MODE key E and select the operating mode using the JOG WHEEL The operating modes of the DSP1124P are described in full detail in the English and German versions of the user s manual FLT SECT A Torestore to the factory condition press and hold both FILTER SELECT and STORE simultaneously and power up 4 STORING EDITS A Once you have made a change to a preset the STORE button will start to flash slowly After making all the required changes to a preset press the STORE key once so that the green numerical DISPLAY starts flashing At this point you have the chance to save this program to a different preset see below Press STORE again to save the changes If you do not wish to alter the original preset before pressing
5. ing console Always make sure that the audio signal levels are set correctly The signal level in the DSP1124 is shown on the V U meter A Switch the unit on and use the JOG WHEEL w to select Preset 1 A Using the DSP1124P in the monitor path Turn up the aux send or mon controls in the first mic channel until the microphone starts to produce feedback If more than one monitor paths is being used this procedure must be done separately for each path Repeat for each susceptible mic channel A Using the DSP1124P on channel sub group inserts Deliberately induce feedback by setting the channel sub group faders to 0 dB and raising the gain controls for the individual microphones in turn If you need to leave a couple of filters free for co incidental feedback which may occur during the performance In either case the FEEDBACK DESTROYER PRO will suppress feedback as soon as it is produced the corresponding red LED will stop flashing and stay lit Exception when two feedback frequencies occur at the same time If this happens move the microphone to encourage one frequency to develop fully and after this has been suppressed then the other frequency can be targeted FEEDBACK DESTROYER PRO DSP1124P Quickguide 3 RE CONFIGURING A USER PRESET I Remember Your DSP1124P has ten pre configured user presets each comprising 12 filters per channel Each individual filter can be selected in any of the four operating modes Parametri
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