I-actuator ye-damper yakhelwe ngokukhethekile isidambisi-moya esincane naphakathi nendawo kanye neyunithi yokulawula i-terminal yesistimu yevolumu yomoya. Ngokushintsha isignali yokufaka, i-actuator ingalawulwa nganoma isiphi isikhathi. Ingakwazi ukunikeza isignali yempendulo engu-0-10V, ngemva kokusika amandla, i-actuator ingabuya entwasahlobo.