Polycom C16 - Manual (Page 377)

Command Protocol Reference Guide
A - 35
trim Gain Trim For Virtual Channels
Description
This parameter applies gain (in the analog domain) to the individual
components of a virtual channel. The index indicates to which physical
channel of the virtual channel the trim will be applied. For example, indices 1
and 2 correspond to the left and right physical channels of a stereo virtual
channel.
Examples
Argument Argument value
Channel Type Virtual Channel
Value Type Floating-Point
Read/Write Mode Read/Write
Phys Chans Conferencing Mic/Line Input, Conferencing Line Output,
Sound Reinforcement Mic/Line Input, Sound Reinforcement
Line Output
Virt Chans Stereo
Indices 1-32: Physical channel
System Limits Minimum: -20.0, Maximum: 20.0, Resolution: 0.5
Default 0.0
User Limits
Supported No
Command Response Description
set trim "Program Audio"
1 2 val trim "Program Audio"
1 2 Sets the trim value of the left channel (channel 1) of the
stereo virtual channel "Program Audio" to 2dB.
set trim "Program Audio"
2 -3 val trim "Program Audio"
2 -3 Sets the trim value of the right channel (channel 2) of the
stereo virtual channel "Program Audio" to -3dB.