Ecler ECLERNET MANAGER - Manual (Page 76)

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7.5.6. LEVEL
Adjusts the overall level of the input channel that will be sent to the matrix, after pre-
processing (EQ, DELAY, GATE, etc..)
 VOLUME: channel volume, adjustable between –infinity and 0 dB. There are
two Vu meter-type level indicators to the right of the channel fader: the left bar
displays the input signal level and the right one the channel output signal level
after processing. Above the bar, the saturation indicator (CLIP) lights up when
the input signal (before processing by EQ, compressor, etc..) exceeds the
saturation level (+18 dBV)
 MUTE: MUTE: mutes audio for this channel.
 POLARITY: allows the input signal phase to be inverted (180 degrees shift).
7.5.7. FREQUENCY SHIFTER
Each input has a 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.