2017-06-13, 15:51
(2017-06-12, 23:03)kevinmcc Wrote: That should not happen if the switch is correctly connected.
The jumper should be removed from pins 5&6 and the switch will then connect them.
Note the pins with thicker red lines in lower left corner of the board layout.
http://www.blitzortung.org/Compendium/Ha..._3_brd.png
Thanks, Kevin, that worked like a charm! I really appreciate this forum in filling in the blanks of documentation that somehow eludes me. Another puzzle is on the layout of 19.3b which does not show the "Power" thru-holes where I connected the external switch discussed.