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Old 01-20-2007
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SeaClear II PC Connections

Hi all. I figured out how to connect a usb gps to my pc, but I am not completely sure how to connect my pc to my autopilot. I'd like SeaClear to drive the boat from a course I've plotted in the software.

Is it possible to switch between a set-and-forget autopilot compass-driven course and pc input?

I only have usb ports on the pc.

any help (and "course correction" if I'm thinking about it wrong) would be greatly appreciated!

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Old 01-20-2007
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Most A/P's accept nema input, which is what SeaClear would have to send to follow a route you have laid on there. To do that, you'll need a usb to serial (9 pin) cable. Then you'll need either a female 9 pin end, with wires soldered onto the negative and output terminals, or buy a serial cable and cut it down to those two wires. I forget, offhand which two terminals you want from the serial plug, but I believe it's 3 and 5. A google search should get you that info. Once you have that, you can plug the two wires into the nema input on the A/P.
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