| Posted: June 13 2007 at 20:32 | IP Logged
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I want to upgrade my GPS from an old Garmin 128 to a newer version. Maybe the Garmin 545 Chartplotter.
My GPS is connected to my Autohelm 3000 via a Seatalk interface box, and it works well.
Does anyone have the newer Garmin equipment talking to a 3000 Autopilot? I guess I'm worried that the newer version 3.0 of NMEA 183 may not be backward compatible to older versions, like 1.5. via the Seatalk box.
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