More: My Garmin 3210 chartplotter is thinking it is Mar 1990 and is
changing daily. Has anyone else experienced this? E.mailed Garmin, but no
answer. The GPS is located in the antenna puck. How do I determine if the
GPS or plotter is causing the problem? What do these pucks output to the
plotter? Can I send a signal from a handheld?
Lee Haefele
----- Original Message -----
From: "Flying Pig" <[email protected]>
To: <[email protected]>
Sent: Saturday, October 10, 2009 12:48 PM
Subject: [Liveaboard] GPS wiring question
>I posed this question to John, who did our electrical work when we did our
> refit:
>
> Hi, John,
>
> Our chartplotter gives signs of tanking, and we may have to rely on
> nav-station computer nav program plots as we work our way through some
> very
> sensitive water until (maybe! - yikes!) we send and get back the plotter
> from repair. At the moment, the linkups you and Brian did have our input
> through the Serial port to our nav programs, and it is dependent on the
> chartplotter, feeding it back through the Raymarine computer.
>
> This has been on my to-do list forever, but with the flaking plotter, I'm
> especially motivated. I want to move the Serial inputs to the GPS outs so
> the programs can see it without the chartplotter having to be on, but the
> way it's now wired, there's (my ignorant reading, anyway) a dependency on
> the chartplotter to the Serial connections, and the autopilot dependent on
> the Serial.
>
> So, I'm wondering if you could guide me as to where I should move both the
> serial connection and the autopilot connections to make that happen.
>
> here's the current terminal breakdown ("+" are bridged points)
>
> 1: GPS out W, Chartplotter (hereafter RL70) i/o W,
> 2: GPS out B, RL70 i/o G
> 3+4: GPS out R, SSB NEMA W, VHF input W, GPS Serial to computer (hereafter
> serial) B
> 5+6: Pilot input B, RL70 i/o B, Serial G, SSB NEMA B, VHF input B
> 7: Pilot input R, Serial W
>
> Thus, I impute that the pilot is dependent on the G/W from the Serial,
> which
> gets its info (currently) through the RL70, presumed provided from the
> Serial B. Can this be rewired such that the pilot gets its info correctly
> AND the Serial gets its feed directly?
>
> Thanks.
>
> Anyone here have the answer?
>
> TIA
>
> L8R
>
> Skip and crew, enjoying the light breeze and brilliant skies in Marsh
> Harbour
>
> Morgan 461 #2
> SV Flying Pig KI4MPC
> See our galleries at www.justpickone.org/skip/gallery !
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>
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> (and)
> "There is no such thing as a problem without a gift for you in
> its hand
> (Richard Bach)
>
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