[Elecraft] K3 ERR KEY

[Lyle Johnson]

> This happened a month ago and then went away.  Now it's coming on more
> regular.  Usually I remove the power and when turned back on, it's gone.
> Today I have put it off and on 6/7 times and it still remains.  Checked all
> the PTT connections etc and OK.  Even removed the PTT mike.  No key
> attached.  Ideas?

If you have an attached computer and have set things so the RS232 port 
can assert PTT (CONFIG:PTT-KEY), it may be that when you power up the K3 
the computer RTS or DSR line(s) are in a state to be interpreted as an 
assertion of PTT.

73,

Lyle KK7P