[aprssig] NMEA Sentence problems into SCS Tracker....from GarminEtrex
radio at irock.com.au
Fri Nov 23 23:33:03 CST 2007
Well it looks like the Etrex needs an adapter cable between its
proprietory Garmin cable and the SCS DSP Tracker. Its something to do
with the DSR or maybe RTS lines. When I tested with the scope, the
MAP76s was putting out data fine, with no terminal connected, the
Etrex was sending NOTHING in the way of a readable level at all. As
soon as the terminal was hooked up, away it went! I wonder IF the
output chip in the Etrex is being powered by the Terminal RS232
port?.....looks like its a possibility.
Time to head back to the bench!
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