This exciting development allows even finer control of the system's response over a much wider range of sea conditions. Quantum has always featured a 'Threshold' control used in conjunction with the Standard setting, used in most sea conditions, allowing the vessel operator to adjust fin response to the specific conditions of the day. However, to enable more precise control in gentler sea states, Quantum developed Modulated mode, which adds proportional control to the fin acceleration, deceleration, and fin deflection parameters.

     In Standard mode, the fins move equally in response to control inputs- each fin moves from one angle to an equally large fin angle in the opposite direction. Half a roll period later the same process repeats itself into the other direction. The forces generated during the motion of the fin counter-act the roll forces and so reduce the vessel's roll. In Modulated mode, the fins move proportionally, and accelerate and decelerate proportionally, ensuring perfect comfort in the light seas that Standard mode can overpower. Quantum remains the world's premier source for totally proven, tested, developed, and functioning active fin roll stabilization systems for use while at anchor or drifting, and Modulated mode increases the flexibility and adaptability of the sophisticated and reliable ARC 3001.

Standard:

•	Microprocessor control
•	State of the art solid-state roll sensing device- totally electronic, no mechanical gyro
•	Full three term control- roll angle, roll rate, roll acceleration
•	Adaptive Logic- responds and adapts to changing sea conditions
•	Two control modes: Standard, with Threshold adjustment for most sea states Modulated, for gentler sea states, to allow proportional tuning of response and fin movement on calmer nights and days