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System Configuration ~ Inputs and Outputs
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PA Adapt and AEC Reference
When using either the PA Adaptive mode (see page 38) or Acoustic Echo
Cancellation (see page 33), the output that carries this information, i.e. the reference
output, must be defined. Select the PA Adapt and AEC Reference from the drop-
down list. Any one of the 12 outputs, four expansion bus references, or four virtual
references can be selected.
If you select an
expansion bus reference
, the Define PA Adapt/AEC
Expansion Bus Ref window opens so you can identify which expansion bus output you
want to use as the PA reference.You can also open this window from the toolbar.
If you select a
virtual echo cancellation reference point
, the Virtual
Reference window will open.This window allows you to select which signals will be
used by the four virtual reference points.Virtual references are used when you need
to reference multiple outputs.The routing matrix portion of this window can not be
edited.You can also open this window from the G-Ware toolbar.
The PA Adapt Reference
and AEC Reference are
the same for each channel.
If you change the PA Adapt
Reference for a channel, you will
also make the same change to that
channel’s AEC Reference.
✍✍
Figure 3.36.PA Adapt/AEC
window and toolbar button
Figure 3.38.Virtual Reference window.
Figure 3.37.
Virtual Reference
toolbar button