> I have the same setup as you (HRD /DM780) and the same thing happened 
> when I upgraded to 3.63.
> The transmit light stayed on at the end of PSK transmissions. I fixed it 
> by changing PTT options in DM780
> to serial  port instead of through HRD. This definitely happened after 
> upgrading to 3.63. I don't know if this
>  is a permanent fix as/ /I am worried about conflicts with HRD rig 
> control as it uses the same port. So far so good though.

Please carefully check the configurations in HRD, DM780 and the K3. 
Assume they all changed to something you didn't want, and verify they 
are all exactly as you really want them.

There have been changes in the K3 firmware, changes in HRD, and changes 
in DM780 in the past few months.  Occasionally, upgrading the K3 
firmware has apparently resulted in unexpected configuration changes in 
some isolated cases.

Rather than go back to older firmware, just scroll through all the 
OCNFIG settings and be sure they are what you want, and that they do 
what you expect.

The K3, HRD and DM780 will all work well together.

73,

Lyle KK7P





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