[Elecraft] Re: K3 Key-down on power-up [Solution?]

[Ed K1EP]

I think that it is a great idea.  The line has to go non-active first 
before it is allowed to key the radio.

At 6/28/2008 01:16 AM, Brett Howard wrote:
>Sounds like a smart addition to me.  Protects people from transmitting
>into something horrible on accident.  Always puts a smile on your face
>when software protects you from doing something stupid on accident.
>
>
>On Fri, 2008-06-27 at 19:51 -0700, wayne burdick wrote:
> > Dave,
> >
> > I wanted to run a possible solution past you.
> >
> > I could prevent the rig from being keyed (by any method) during the
> > first couple of seconds that it's powered up. Instead, it could detect
> > this case, and display a repeating message (something like: "KEYLINE IS
> > ACTIVE") until you either remove the source of the keying or turn power
> > off.
> >
> > Thoughts on this?
> >
> > 73,
> > Wayne
> > N6KR
> >
> >
> > Dave Hachadorian, K6LL wrote:
> >
> > > I've got my K3 set up for cw on Field Day with a laptop usb
> > > port driving a usb to serial converter. Rig control and cw
> > > keying are done over the serial cable, using the K3's
> > > built-in ability to send cw from pin 4(?) of the rs-232
> > > cable.
> > >
> > > Everything works fine, but I got quite a scare when I turned
> > > on the K3 and it came up keyed-down 120 watts into no
> > > antenna.  It seems that if the laptop is not running the
> > > logging program, rs-232 pin 4 can very well be in a key-down
> > > state.
> >
> >
> > ---
> >
> > http://www.elecraft.com
> >
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