Bill take a look at this PDF, starting with page 9: http://www.actisense.com/Downloads/TechTalk/NMEA%200183/The%20NMEA%200183%20Information%20Sheet.pdf
This might help. In my experience, sometimes there are issues with what gets labeled "input" vs. "output", as well as data + and – or ground; but be really careful what you try so you don't damage things. Usually it's just as easy as connecting the properly labeled leads together to get the signal to the proper place -- the problem comes in getting the settings right on the send and receive end, so that everything's happy. Fred Street -- Minneapolis S/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI :^( On Sep 21, 2012, at 10:25 AM, Bill Coleman wrote: > Hello Steve, > This tech was pretty sharp, he was not reading from the manual – it is a > 2003, so I believe him when he says it is 1.5 > There also is no mention at all of versions, let alone Baud rates, , he said > it was 4800, period. The only thing I can adjust in the setup is turning > sentences on and off, and the seatalk bridge. > I have tried connecting them, no response. The sentences are coming in, the > voltage rolls up and down. I think there must be something different in the > protocol between 1.5 and 2. The Standard Horizon manual definitely says it > will only work with ver. 2.0 and up. I have bridged NMEA to Seatalk as that > is how the Autopilot communicates, but I don’t think this would be a problem, > that just introduces other info such as the compass and converts to NMEA, I > think. > A talk with a Standard Horizon Tech produced nothing, oddly enough he didn’t > seem to know much about NEMA conversions. > Waiting to hear back from Brookhouse.
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