: Secure the unit with provided screws. If necessary, use blocking material under the unit to ensure the transmitter lever is level with the rudder tiller arm.
If you are a professional installer or a confident DIY boater, the contains everything you need to do the job correctly the first time. It is accurate, safe, and detailed. However, if you are a first-time sonar buyer, the manual assumes a moderate level of 12V DC and boat-drilling knowledge—keep a magnifying glass handy for the wiring diagram, and don't rush. simrad rf300 installation manual