Going from a mechanical gyro to a modern multi-axis electronic control gives you more than just a system that senses roll once it has started. It looks at roll, pitch, and yaw which is necessary to stabilize in following seas. The newer controls, including the multi-sea, also allow for sensitivity and trim adjustment at the helm while underway. With the digital control, any other adjustment can be made in the programming setup including the centering and acceleration, stops, etc to each individual fin. With the old hydraulic gyro there was just a tee in the line so both fins reacted the same.
Plus, the digital controls record the fin response and compare it to the output from the computer. A log is kept to see how close the fins follow what they were commanded to do. This information can be used to further tweak the system and get it dialed in. It can be downloaded and sent to the manufacturer if needed.
Another feature is an automatic sensitivity adjustment that changes depending the vessel speed. So there are plenty of pluses to the upgrade beside programmable centering minimum and maximum limits . Not to mention the fewer hydraulic lines and no feedback assemblies to leak and maintain.
