[Elecraft] PX3 keyboard fix

[KG7WGX]

I bought a GMYLE Mini USB keyboard a while ago and tested it with the PX3 and
it worked.Then I put it aside and concentrated on my Morse speed and
learning to use a bug.Today it didn't show the "K" when I connected it. 
However, it did connect if the USB plug was pulled out around 1/16".I
applied a narrow band of heat-shrink to the USB plug and now I get a firm
connection, but the plug cannot be inserted far enough to disconnect.I don't
know if this was "tolerance stacking" and a special case or if it might
apply to other USB keyboards.If you are having intermittent connection
problems with a USB keyboard, you could try this before buying a different
keyboard.



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