[Elecraft] K3 and VB6

Kevin Stover kevin.stover at mediacombb.net
Mon Oct 13 10:00:13 EDT 2014


It's been this way since the first ham hooked a radio up to a windows 
serial port.
It's not a radio issue it's an computer issue. Linux does it too.
I reboot my computers once a week whether they need it or not. Same with 
the radios....they just get turned back on when the computer is up at a 
desktop.

On 10/12/2014 6:47 PM, Don Wilhelm wrote:
> All,
>
> While Joe's response will eliminate the behavior, I feel that a fuller 
> explanation is in order.
> When a computer boots, it will "exercise" the RS-232 signal lines 
> including the RTS and DTR signal lines.
>
> If you have your K3 set to do keying or PTT with those lines, you can 
> expect the K3 to go into transmit while the computer does its boot-up.
>
> So, take your choices - if you have no need for DTR/RTS keying of the 
> K3, turn the PTT-KEY menu to OFF-OFF as Joe indicated, but if you have 
> need for computer control of the PTT or Keying of the K3 via the DTR 
> or RTS signals, then expect that behavior and either place the K3 into 
> TX TEST or switch to a dummy load while the computer is "doing its 
> diagnostics" during the boot-up cycle.
>
> 73,
> Don W3FPR
>
>


-- 
R. Kevin Stover
AC0H
ARRL
FISTS #11993
SKCC #215
NAQCC #3441



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