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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 eight outputs, four expansion bus references, four
virtual references, or Speaker output 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 3.37. PA Adapt/AEC
window and toolbar button
Figure 3.39. Virtual Reference window.
Figure 3.38.
Virtual Reference
toolbar button