Ecler ECLERNET MANAGER - Manual (Page 149)

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8.3. INPUTS Section and FREQUENCY SHIFTER function
The aspect of the INPUTS section of the MIMO88CONF is as follows:
Comparing it with the same section of the MIMO88 standard version, there is no DELAY adjustment for
each input, although delay settings are maintained for each output of the unit.
Each input has a new function named FREQUENCY SHIFTER (bottom right corner), an efficient system
to reduce the risk of feedback loops (audio feedback or Larsen effect) when a microphone source is near
the speaker(s) producing its signal, once amplified. When activated, this function slightly shifts the
incoming signal frequency on the affected channel before sending it to the matrix mixer and then to the
selected output. The shift is so slight that it is barely noticeable to the listener, especially when it occurs
in the frequency range of the human voice. A few cycles (Hz) displacement is enough to greatly increase
the system protection against possible feedbacks.