Simrad Rf300 Installation Manual May 2026

Whether you’re a seasoned sailor or a weekend cruiser, few things are more frustrating than an autopilot that can’t find its "center." If your Simrad system is acting twitchy, it’s time to talk about the unsung hero of the helm: the RF300 Feedback Unit

Testing Movement: Slowly turn the helm from lock to lock by hand. Verify that the rod does not bind and that there is no mechanical interference throughout the full range of motion. 2. Wiring and Connection The RF300 uses a unique two-wire frequency-based signal. simrad rf300 installation manual

, a software-based approach that eliminates the need for a physical sensor altogether. 🛠️ Official Resources Whether you’re a seasoned sailor or a weekend

1. Introduction

The Simrad RF300 is a rudder feedback unit designed to transmit the actual position of the vessel's rudder to the autopilot system. In a closed-loop autopilot control system, the rudder feedback serves as the reference sensor. Without accurate rudder position data, the autopilot cannot determine how much the rudder has turned, leading to oversteering, erratic course corrections, or system failure. Clean with a soft, damp cloth – no solvents

Polarity: While it is a two-wire system, always follow the specific wiring diagram in your autopilot computer manual to ensure the frequency signal is correctly interpreted.

12. Maintenance

• Clean with a soft, damp cloth – no solvents.
• Periodically inspect cable and connector for corrosion.
• Replace gasket if damaged during disassembly.

The Simrad RF300 Go to product viewer dialog for this item. is a high-precision rudder feedback unit designed to ensure smooth, accurate auto-steering for boats with inboard engines. It operates by measuring the rudder's angle and transmitting a variable frequency signal directly to an autopilot computer. Key Features