Design Guide for the Polycom SoundStructure C16, C12, C8, and SR12
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The collapsed view simplifies the configuration and setup of the system as
there are fewer crosspoints to manage.
Adjusting Crosspoints
Any matrix crosspoint may be adjusted over the range of +20 dB to -100 dB in
0.1 dB increments.
A maximum and minimum gain range can be specified for the matrix
crosspoints to limit the user gain control. The process of setting the min and
max matrix gain controls is described in the input fader section.