Cadac CDC four User Manual download pdf (Page 70)

Revision 1 2012-13 CDC FOUR

Other mixer functions

Graphic Equaliser

The CDC FOUR is equipped with a stereo 32-band graphic equaliser in the main

output signal path. It is pre-fade and pre-dynamics, but post the main output

channel’s standard parametric EQ.

The equaliser settings are controlled by the channel faders, and effectively

constitute a sixth control Layer. As there are only 16 faders, the audio frequency

band is split into two, and the faders used to control either the sixteen frequencies

below 1 kHz, or above I kHz, respectively.

A graphical representation of the equaliser may be obtained by pressing Softkey

6 (GEQ) from the Master Sel screen page. Pressing Softkey 8 (Master Sel) from

this page will return to the previous page.

Control of the graphic equaliser is assigned to the faders by pressing the IN

button and one of the 1-16 or 17-32 buttons. If the equaliser has not already been

placed in circuit and adjusted, the 16 motorised faders will jump to their mid-

position; otherwise, they will assume positions corresponding to the EQ curve

previously set. Note that Fader 16 has no function when 17-32 is selected.

Pressing any Layer Select button will revert the faders to control of another layer,

but the graphic equaliser’s settings will remain applied to the main output.

The equaliser can cut or boost bands of frequencies (centred on the ISO standard

frequencies) by either 6 dB or 12 dB, according to the setting of the 6/12 button.

When the button is lit, 12 dB of cut/boost is selected.

BANDS

GRAPHIC EQ

1-16

17-32

6/12

∞

ST 1

GP 1

+6 (or 12) dB

+6 (or 12dB)

-6 (or 12) dB

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Cadac CDC four User Manual Page 70