[Elecraft] KPA-500 band data input

Brian Alsop alsopb at nc.rr.com
Sat Jan 5 08:34:02 EST 2013


Question:  What "band" is selected when the Radio=BCD and the inputs are 
open?

It appears to revert to RF sensing.

The situation is this.  Antenna switching stuff automatically echos the 
band BCD data to the KPA-500.  The exception is if one manually selects 
an antenna.  In that case power to the auto mode PIC is turned off and 
one gets whatever the PIC outputs are with no supplied Vss.

73 de Brian/K3KO


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