Jerry, You must have something else going on there.
Check the PSn command in the K3 Programmer's Reference and you should see that the command can turn the K3 power OFF, but when off, the K3 (and its RS-232 port) is not powered, so the K3 cannot be powered ON via an RS-232 command.
The K3 CAN be powered on by an external device pulling the AUX I/O connector pin 8 to ground, but not via the RS-232 connection.
73, Don W3FPR On 11/21/2016 8:48 AM, Jerry wrote:
I was using N1MM software for contesting and I noticed that the radio would behave oddly; such as after a while the VOX became unreliable and the radio would not respond to mouse clicks on the N1MM program. It seems I would have to reset the radio and N1MM every ten minutes or so. So one time, I had both N1MM down and the radio off, and when I started N1MM, it turned on the radio via through a standard RS-232 port (came with the computer board). I have since found out through some testing this morning, that all my K3 problems seem to be related to the presence of the N1MM being on, and when N1MM was shut down - my K3 works as expected.
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