smartcraft

I'm about to pull the trigger on buying a Northstar GPS / multifunction display because they seem to be only outfit compatible with Smartcraft. I'd prefer Garmin but it needs NMEA to collect/display data from other sensors. Question: Is there a converter available to make ALL the many SC data...

I have the tach/speedo gauges that display all the many Smartcraft data by scrolling the "mode" buttons but the data is hard to read. I do not have GPS yet but understand the fuel efficiency data SC calculates will get better if I tie a GPS to the SC system via an NMEA bridge device. I must...