Polycom C12 ユーザーズマニュアル
Logic Examples
4 - 5
Analog Gain Control
Pin 13 on each Remote control connector may be used with an analog
potentiometer to provide an analog input signal that can be used to control
volume or other settings within SoundStructure devices.
Remote Control
Pin 1 : +5V
Pin 13 : Analog Input
Pin 25 : Ground
10K ohm