2. Big Screen
Bigger is better when it comes to MFDs, giving you a keener view of details within functions, such as the chart plotter, radar or fish finder. While microprocessors continually shrink, screens grow. Sixteen-inch diagonal displays are common, with some MFDs stretching out as much as 24 inches or more. Strive to install the biggest screen(s) you can fit on your boat, whether flush- or bracket-mounting your units.