Jim Hendricks
How to decide if your boat needs more than one MFD.
Having more than one display at the helm was common back when sounders, GPS and radars were all housed in separate stand-alone units. Then, in the 1990s, manufacturers combined GPS, plotter and fish-finder functions into single models.
Such products were initially known as combos, but with integration of additional features, greater processing power, networking, and touchscreen capabilities, the nomenclature evolved. Most are now called multifunction displays — MFDs for short.
Such displays with split-screen functions let boating anglers pare down to just one machine. With a touchscreen MFD, boaters suddenly have access and control of GPS, chart plotting, fish finding, scanning sonar, radar, autopilot, thermal imaging, engine instrumentation, digital switching, audio entertainment and more on a single…