Signal isolation when EDC speed signal is used The negative terminal of the battery must not be connected to the boat’s potential. + + Battery Engine 1 + MAN engine terminal box potential Boat’s EDC speed signal + + Battery Terminal box for throttle lever control system 2 c) If the negative terminals of the throttle lever control system are in contact with the boat’s potential or with a different negative potential from that used by the MAN terminal box and if Point a) is not guaranteed, the EDC speed signal cannot be used. A separate speed pick-up must be attached to the engine.
Speed pick-up Battery Engine + + 1 + terminal box potential MAN engine Boat’s Battery for throttle lever control system Terminal box + + 2 102