Behringer Feedback Destroyer Pro DSP1124P User Manual
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FEEDBACK DESTROYER PRO DSP1124P
8. PROBLEMS DO HAVE A CAUSE ...
Feedback is one of the major problems encountered in live P.A. applications. In a worst-case scenario every
microphone signal passing an amplifier can cause feedback. Still, theres a lot you can do even before the
show begins:
s Place the microphones at some distance to the FOH and monitor speakers.
s Make sure that the levels of the microphone channels are adjusted correctly (see users manual of your
s Place the microphones at some distance to the FOH and monitor speakers.
s Make sure that the levels of the microphone channels are adjusted correctly (see users manual of your
console).
s Use the microphones according to their polar patterns (e.g. omnidirectional, cardioid, super-cardioid).
s Poor room acoustics should be improved. Tiled walls and floors, which are highly reflective, can be covered
s Poor room acoustics should be improved. Tiled walls and floors, which are highly reflective, can be covered
with curtains or carpet.
s Use a graphic equalizer to adapt the overall sound to the room acoustics.
s To a certain degree, feedback can also be suppressed manually with a graphic EQ.
s To a certain degree, feedback can also be suppressed manually with a graphic EQ.
9. MIDI CONTROL
Use the MIDI key combination to select the MIDI parameters you wish to adjust. To do so, press and keep the
IN/OUT and STORE keys at the same time. All parameters can be edited with the JOG WHEEL and these two
keys. The MIDI menu includes six pages, which you can select by pressing the IN/OUT key (forward) and the
STORE key (backward) several times.
On the first page, you can select the MIDI channel. The DISPLAY reads a small c (= channel). The
On the first page, you can select the MIDI channel. The DISPLAY reads a small c (= channel). The
JOG WHEEL adjusts a channel from 1 through 16. To switch off the MIDI function, simply select 0 (displayed
as -).
On the second page, you can select MIDI Omni mode, i.e. the unit transmits/receives on all 16 MIDI channels.
On the second page, you can select MIDI Omni mode, i.e. the unit transmits/receives on all 16 MIDI channels.
The DISPLAY reads O (= Omni). Use the JOG WHEEL to activate (1) or deactivate (0) MIDI Omni mode.
The third page allows for the configuration of controller commands. On its right-hand side, the DISPLAY reads
The third page allows for the configuration of controller commands. On its right-hand side, the DISPLAY reads
a capital C (= Controller). The JOG WHEEL selects one of the five controller modes shown below:
Display
Mode
0
No controller data are transmitted
1
Controller data are received but not transmitted
2
Controller data are transmitted but not received
3
Controller data are transmitted and received
4
As 3, with additionally the automatic filter parameters
Tab. 9.1: Controller settings
+
When you choose value 4, the FEEDBACK DESTROYER PRO will send the automatic filter
values in addition to the parameter values.
For details on the controller functions, see Tab. 11.5 in the appendix.
The fourth page gives you access to the Program Changes. The DISPLAY reads a capital P (= Program).
The fourth page gives you access to the Program Changes. The DISPLAY reads a capital P (= Program).
Four modes are available, which can be selected with the JOG WHEEL, as follows:
Display
Mode
0
No program change data are transmitted
1
Program change data are received but not transmitted
2
Program change data are transmitted but not received
3
Program change data are transmitted and received
Tab. 9.2: Program change settings
8. PROBLEMS DO HAVE A CAUSE ...
DATA-MANFULL_DSP1124P_ENG_Rev. A.p65
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