Raymarine S2G AST in excellent working order, tested working perfectly. Advanced Steering Technology (AST): This technology, along with the built-in rate gyro, helps the autopilot to steer the boat effectively. Built-in Rate Gyro: The S2G AST's internal gyro measures the boat's rate of turn, providing crucial information for the autopilot. Connectivity: The S2G AST can connect to other Raymarine equipment and devices from other manufacturers through SeaTalk and NMEA interfaces, allowing for integration with various systems. Purpose: The primary function of the S2G AST is to automatically steer a boat to a desired heading, relieving the user from constant steering.
eBay