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Design Guide for the Polycom SoundStructure C16, C12, C8, and SR12
7 - 18
2. Set the analog output gain on the amplifier output channel to be either +4,
0, or -10 depending on the nominal signal level required by the audio
amplifier. Amplifiers with RCA inputs will require a -10dB setting, most
system integration professional amplifiers will require the 0dB setting,
and some amplifiers will require the +4dB setting.
3. Turn down the audio amplifier to the lowest possible volume setting
(alternatively the highest amount of attenuation). The noise generator
will be loud in the next step and it is best to reduce the gain on the
amplifier prior to sending noise into the room.
4. On the channels page unmute the signal generator and ensure the gain is
set to 0 as shown in the following figure. There are different signals that
the signal generator can create, ensure that Pink Noise is selected.