Simrad Rf300 Installation Manual Jun 2026

The RF300 requires position data for DSC. You will need to connect to a GPS or chartplotter. Use twisted-pair, shielded wire.

The most common mistake installers make is choosing a convenient location over a functional one. The Simrad RF300 installation manual dedicates an entire section to site selection. Here are the golden rules:

Installing the Simrad RF300 involves mounting the unit parallel to the rudder arm, ensuring a 90-degree angle with the transmission link for accurate steering data. The process concludes with wiring the two-wire unit to the autopilot computer and performing a, comprehensive, digital calibration. For a detailed guide on the installation process, refer to the official Simrad documentation for the RF300 rudder feedback unit.

Set the GPS baud rate to 4800. Higher rates will not be recognized. simrad rf300 installation manual

After physical installation, you must test the Standing Wave Ratio (SWR). A high SWR (above 2.0:1) will cause the RF300 to reduce power or damage its final amplifier stage.

Before you cut a single hole or crimp a single wire, you must understand what the RF300 requires. The installation manual is not merely a set of suggestions; it is a technical blueprint. Ignoring it can lead to poor transmission range, electrical interference, or even permanent damage to the unit.

The following steps outline the installation process for the Simrad RF300: The RF300 requires position data for DSC

If you are unsure about any step—especially antenna tuning or DSC configuration—hire a Marine Electronics Installer (MEI) certified by the NMEA. The cost is small compared to the value of safety at sea.

The microphone should reach the helm seat. The DSC distress button (the red, spring-loaded cover) must be accessible within one second of the helm position.

While this guide covers the essentials, the official manual contains exploded diagrams, warranty information, and FCC compliance statements. You can obtain it from: The most common mistake installers make is choosing

: For initial setup, the autopilot should be off while the mounting screws are loosened to manually center the sensor to the rudder's neutral position before tightening. Physical Clearance

The installation manual isn’t just a list of steps — it’s a survival guide. Install an RF300 incorrectly, and you risk: