[Elecraft] question on old topic K3 Key-down on power-up [Solution?]"

[Roger D Johnson]

Hi Lee...

It's now part of the CW WGHT config menu. Tap 4 to select AUTO OFF.
This turns the VOX off on power-up to prevent keying.

73, Roger
 

Lee Hill wrote:
> Hi:
>
> I recently purchased a used K3.
>
> I have noticed the exact problem described in posts in 2008,
> http://marc.info/?l=elecraft&m=121462133723056&w=2
>
> where the K3 goes into transmit due to a connected computer's serial port
> -  when the computer first powers up and the serial port has not yet been
> configured by a logging or serial control program.
>
> The undesired behavior stems from the K3 PTT being asserted by the computer
> at the rig's serial port via DTR or RTS (depending on the K3 setup) The
> problem goes away after the logging or serial port control program is
> launched.
>
> Was a feature discussed in the above post implemented in later firmware?
>  The feature is the rig detects an asserted PTT during the first couple of
> seconds of power up and goes into TX test mode and/or displays and error.
>
> I haven't done any HW or firmware upgrades to the rig yet.
>
> thank you
>
> Lee
> N1BA
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