: Do not remove the transmitter arm from the unit; it is factory adjusted and only requires external rod positioning.
Proper physical alignment is critical to avoid feedback alarms.
After installation:
Installing this little device is the secret to getting that smooth, "on-rails" steering experience. Here is the unofficial guide to getting your RF300 mounted and calibrated without losing your cool. 1. The "Sweet Spot" Placement
The provides a wiring color code table, but confusion often arises because the RF300 can be integrated with older Simrad systems (like the Robertson AP series) and newer NMEA 2000-based systems.
Which would you like?