[Elecraft] K CW-to-data wierdness
lstavenhagen
lstavenhagen at hotmail.com
Sat Apr 10 09:14:37 EDT 2010
Hi all,
I finally found something goofy in my K3 that may or not be a bug (questions
below). CW-to-data can go into a confused state with imperfect keying. I
noticed this yesterday during a PSK QSO using my paddles for transmit.
Towards the end of a QSO, when I was sending rather poorly, hi hi, the rig
suddenly exitted transmit and the sidetone became a continuous tone. I
tapped the dit paddle and all was restored and I continued on.
Later I tried it into my dummy load to troubleshoot if it was just RF
getting into the rig. I did find eventually that I was able to reproduce the
behavior pretty consistently by sending a random series of dits/dahs into it
without a break. I.e. in iambic mode, hold both paddles together (send
aaaaa...), then release the dit paddle (tttttt), release the dah paddle
(eeeeeee)... pretty soon the rig gets confused - the behaviors I've seen are
exiting transmit with a continuous sidetone, exiting transmit with a
continuous set of dits going on with no sidetone.
Hitting the paddle always seems to bring it back.
One possibility is that I'm inadvertently sending a known command to the
encoder in the mess of dits and dahs and it's trying to do the right thing
in the middle of it all.
So my questions would be:
- are there 'hidden' commands to the encoder available in CW (i.e. like 'IM'
to immediately switch to RX) and if so what would they be?
- if I'm not just confusing it due to my own incompetence, is this an actual
known problem?
This mode does seem to work fine as long as your keying is spot on, so it's
not a huge concern. But it is a little strange to me to be able to confuse
it like this...
Tnx es 73,
LS
W5QD
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