When I bought Pegathy, I got a Garmin 421s chartplotter. It was small enough to be unobtrusive and had as many (maybe more) pixels than the larger screens. It will display any combination of up to 4 (I think) instruments on the NMEA 2000 bus on a ribbon on the chart screen. The next year, I bought a gmi10 package with a masthead anemometer, temperature and pressure sensor and a depth and water temp sensor. The gmi 10 will display up to 4 instruments at once in user defined formats with user defined alarm limits for each. It also allows you to create a bunch of custom combinations which can be stored and accessed with the push of a button, or maybe a few pushes if you define a bunch of screens. There are other good features as well.
Replaced four instrument heads with one. Works for me, except that I had to cover the holes. It's backed up by the chart plotter, so I'm more comfortable with having a single head. Just bought a Lowrance NMEA 2000 VHF/AIS receiver which is supposed to communicate with the chartplotter. Haven't tried it yet. Still waiting for warm enough weather to pain the bottom. Dan SheerPegathy LF 38Rock Creek off the Patapsco
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