Input Gain - Polycom SoundStructure C16 Design Manual

Customizing SoundStructure Designs
described in this section.

Input Gain

The telephone input gain has a range from -20 to +20 dB for adjusting the gain
in the analog domain and has a default gain of 0 dB. The gain required will
depend on the signal levels received from the telephone line. Adjust the tele-
phone gain so that during normal speech there are at least two yellow LEDs lit
on the telco receive.
The location of the telco signal meters are shown in the following figure. The
input channel meters level_pre meter corresponds to the meter next to the
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