[Elecraft] K3S Power On / PTT

[Lyle Johnson]

This problem is fixed in the latest beta firmware for the K3/K3S. Until 
then, it is best to set PTT-KEY to OFF-OFF before taking the K3/K3S to a 
location without USB connectivity.

73,

Lyle KK7P

On 8/8/15 10:31 AM, Marco HB9CAT wrote:
> I configured my K3s to use DTR to key CW, (CONFIG:PTT-KEY to “Off-RTS”) and configured my logging program (Dxlog.net) accordingly; the COM port I’m using is the K3s virtual serial related to the USB connection. Everything worked fine.
>
> Later on I unplugged the K3s to use it in another location, where I’ve just connected power and antenna (no USB); right after powering it up it went to TX, USB RTS was probably in an undefined state being interpreted as high so it keyed CW.
> I knew that might be the problem so I tried to access the CONFIG:PTT-KEY menu: there was no way to get there while the K3s was stuck in TX, as usual I got to the the “FW Revs” default config menu but I couldn’t move to the other menus.
>
> The only possible solution has been to get hold of a PC, install USB drivers and set RTS low.
>
> Question: is there any alternative power-up sequence to enter a sort of safe mode allowing me to change configuration ?
>
> Thanks
>
> Marco HB9CAT
>
> P.S.: all firmware revisions are the latest
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