Cadac CDC four User Manual download pdf (Page 42)

Revision 1 2012-13 CDC FOUR

Levels within VCA groups

As with all layers, when the ST CHNS VCA layer is selected, faders 9 to 16

immediately move to their correct positions. If no adjustment of VCA master levels

have been made, this position will be at the 0 dB mark. The implication of this

is that simply assigning a channel to a VCA group does not alter its signal level

anywhere in the mixer. The level in the mix may now be adjusted in two places –

by the channel’s own fader or by the VCA master. The fader positions of the two

faders effectively “add” to dene the overall signal level. Thus if the channel fader

is at -6 dB and the VCA fader is set to -10 dB, the level of the channel in the mix

will be the same as it would if the channel fader were set to -16 dB without any

VCA assignment being made.

The relative levels of all the channels assigned to any one VCA group remain

unchanged; adjusting the VCA master alters the level of the whole set of

channels without disturbing their inherent mix. A common application is to assign

all the channels being used to mic a drum kit to a VCA group after a satisfactory

balance of the kit has been made. The VCA master fader will then alter the level

of the whole kit in the mix, without altering any the internal balance, or any stereo

imaging.

VCA Group Muting

A VCA group may be muted by pressing the MUTE button above the VCA master

fader. This mutes all the channels assigned to the group. A corresponding virtual

MUTE button is provided on the TFT VCA page. The individual channels’ MUTE

buttons – both the physical ones and the on-screen virtual buttons – illuminate to

conrm this.

Note that the SOLO button has no function for a VCA group.

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Cadac CDC four User Manual Page 42