Polycom SoundStructure C16 Design Manual page 86

Design Guide for the Polycom SoundStructure C16, C12, C8, and SR12
figures for examples of the different user controls.
It is possible to change which types of virtual channels are viewed by enabling
or disabling groups, inputs, outputs, and submixes with the controls on the
top of the Channels page as shown in the following figure.
In addition, groups of virtual channels may be expanded to show the individ-
ual members of the group by clicking the Expand All button or may be
collapsed to only show the virtual channel groups by clicking the Collapse All
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