Bennett Marine Electric Dual-Station Helm Control [OBI9000E-DS]Electric Dual Station Helm Control The OBI9000E DS is Bennett Marines electric dual station helm control system, engineered for boats requiring trim tab operation from two control locations. Designed specifically for dual station applications, this system includes the integrated control logic needed to ensure seamless communication between upper and lower helm stations. Unlike the single station OBI9000E single station keypad, the OBI9000E DS is