Trim - Polycom SoundStructure C16 Design Manual

Design Guide for the Polycom SoundStructure C16, C12, C8, and SR12

Trim

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The option for the delay compensation is shown when the Line Input or
Bypass ungated signal type is selected as shown in the following figure.
The trim command is used with stereo virtual channels to provide additional
gain or attenuation in the analog domain to the underlying left or right physi-
cal channels in case the incoming signal levels need to be adjusted separately.
As shown in the following figure, there are two trim knobs for stereo virtual
channels and no trim knob for mono virtual channels.