I have lost radio control on my K3. To find out why, I tried to connect to the 
K3 Utility.  Com5 connects just fine at 38400 bits/sec.  When I try to check 
for firmware, I get a "com5 is closed" message.

Have spent a few hours investigating this, but no joy.  I can connect just fine 
to a different computer.  Both computers are Win10.

Why would a com port that connects just fine then show as closed?  

73, George K5KG


Sent from my iPhone
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