OmniSistem Beta 3 – EC2402 - Manual (Page 8)

Crossover point frequency has 121 points available for choice based on 1/12 oct.
Gain -10.5dB Gain Q value
First EQ point1
EQ center frequency
Choose low pass or high pass
6
7.4 PEQ
Press the EQ key to enter into the adjust interface of output PEQ as the below picture:
Press the channel choose key and choose the related channel need to be adjusted and press
the Para key to choose the parameter which can be changed by the key of +/--.
There are 4 PEQ point in each input channel and 6 in the output channel.
The filter's type : OFF, Peaking, Notch, Hi-shelf, Loshelf, Band pass and their function is
describe as below:
Peaking: it is the peak filter which in most of the time to be used to modify the voice
system's frequency curve and voice tamber.
Hi-Shelf: it is the treble filter and used as the treble's raise and lower
Lo-Shelf: it is the woofer filter and used as woofer's raise and lower
Band pass: it is band pass filter, not used frequently besides the special requirement
of bandpass
Notch: it is limit filter mainly for the limit of fix howling for the reason of sound
reinforcement's lack.
The filter gain's adjustment range is 12Db+12.0db and the precise is 0.5db;
The centre frequency is as per the 1/12oct and totally 121 frequency point can be
choosed, the Q number is the filter quality factor.
7.5 Crossover
Press the crossover key to enter into the adjust interface of the output channel signal HPF
and LPF as the below picture.
Press the channel selection key and choose the related channel need to be adjusted and
press the Para key to choose the parameter which changed by the key +/---
Each output channel include one HPF and LPF filter, and the below is their types:
12dB/oct Butterworth,24dB/oct Butterworth, 36/oct Butterworth,
12dB/oct Bessel,24dB /oct Bessel,36db /oct Bessel
12dB/oct Linkwtz,24 dB/oct Linkwtz
Output channel-low
Output channel-low
filter genre
Crossover frequency
Filter genre
7. DISPLAYS AND OPERATION