[aprssig] Nuvi messaging

[Steve Noskowicz]

   Slow down just a bit, please.  Some brief background is in order here.

    I'm having difficulty understanding the tie-in between this fleet
management "Messaging" and APRS.  Is the Nuvi simply acting as a display when
presented with data on the USB, as well as the inverse.
   It'll probably be obvious after you explain, but why does a GPS have/need
messaging.  It's not sinking in.
   What "puts" in into this mode, something sent *to* the Nuvi, or an entry on
the Nuvi screen/kbd?
   For $21 there can't be much more than resistors, at most, in that cable.

   Looks like my 750 is a candidate.



-- 
73, Steve, K9DCI


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