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VCA Group
The VCA grouping system allows several channels to be placed under the control
of a single VCA group fader, allowing the operator to change the level of that group
of signals in the mix, while maintaining the relative levels of the channels in the
group. Unlike audio subgrouping the channel signals are not routed out of the
channel modules for grouping, thus greatly simplifying the signal path. Up to 8
VCA Groups may be created, controlling input channels only. Additionally there
are two Grand Master Faders which can be assigned to any of the 8 groups, providing
a further layer of control.
Channels are assigned to VCA groups using the thumbwheel switches on the
channel modules. The switch has 9 positions:
•
I - 8 select the VCA groups
•
The 'O' position isolates the channel from the VCA system, and the VCA
circuitry is electronically bypassed.
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The CUT switch mutes all channels in the VCA group, controlling the group
mix in the same way as an audio subgroup. When active the CUT switch on the
VCA Group lights continuously, and the CUT switches on the channels flash to
show that a non-local mute is in operation.
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The long-travel VCA GROUP FADER proportionately controls the level of
the signals in the assigned channels.
Jumper Options
Function
Options
Default
Stereo Input SOLO IN PLACE
Mute
active
JMPI
active/disabled
VCA Group/Group Output/Stereo Input module
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