Hi all, I have a ST850 Airmar speed/temperature transducer that I'm trying
to get working (again) with my new equipment. I'm pretty sure the issue is
with the wiring so if any of you have this transducer maybe you know where
I'm going wrong?

***My ST850 is from 2006 so I'm pretty sure it's not the "smart sensor" one
that is supposed to output NMEA2000 sentences directly.

With my old system ONLY the green wire was hooked up to a B&G nav computer
and the black and shield were connected to ground. (no temperature data)

I've got:
GREEN to Speed Pulse IN (not sure what "pulse" is ecactly)
Black, and Shield to Ground IN
Red to Speed Voltage IN
Yellow/Red Stripe to Temp IN
Brown to nothing

With this configuration I'm getting Temperature NMEA sentences, but no
Speed. Anyone know where I'm going wrong? Does the padwheel have to be
turning to get speed sentences?

Dan
Breakaweigh
C&C44
Halifax, NS
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