Re: Objective of NMEA

The best place I've found for learning how to connect the devices is the
manufacturers web sites. If one of the devices is a Garmin, read what you
can get first, then verify with Garmin. They answer email within 24 hours,
and make the instructions simple and easy to follow. Connecting a DSC
capable radio should be easy. A depth finder may not have NMEA capability. I
wired my GPS to both a radio and a radar by splicing the wires to go to both
devices. You can also make a bus bar as a distribution point, with screws to
connect the wires.
"luc" <luc_darquistade@xxxxxxxx> wrote in message
news:1141256143.930521.307560@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
I am an NMEA neophyte. I am trying to connect my Raymarine speedo,
depth, and wind indicator. They use SeaTalk. Apparently, SeaTalk is
not NMEA language. I thought the point of NMEA was to make multiple
manufactures equipment communicate, much like MIDI (musical instrument
digital interface) works for electric guitars, keyboarsd, and
synthesizers.

I have a Garmin GPS, which does have some NMEA capabilities. I would
like to connect it to my ICom VHF, for the DSC feature. I would also
like to connect my sounder to the GPS to show depth on the Garmin. Is
this possible? Does anyone know where to get more information about
NMEA and connecting these various devices? I've already learned a bit,
but have a long way to go.

Also, from what I hear, the issue of "daisy chaining" is somewhat
resolved by the new NMEA 2000 protocol. Easy connectors, simple
wiring. Still, NMEA reminds me of DOS based computing. (it amazes me
that windows has DOS underlying it!)

I am sorry I bought my Ray Marine instruments that are not NMEA
compatible, if that's the word. Apparently, if I get a multiplexer, I
can make Sea Talk convert to NMEA. I'm sure all this junk is in it's
infancy, and one day will be resolved by some very cool technology.
It's already pretty cool, especially the Blue Tooth multiplexer made by
a company I don't know but recommended by someone on a google group.

anyone that cares to discuss this, I'm listening.

thanks

Luc



.

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