K3 PTT - WHHTLOT

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K3 PTT - WHHTLOT

Fred (FL)
After the 28 posts on "K3 PTT", I'm thinking we
haven't heard the last of this!

Wow - 45 versions and re-explanations of what the
K3 PTT function is.  In just CW?  As a non-contestor,
getting back into hamradio ham - I'm starting to
think the K3 is getting perhaps too complex, for
normal operation.  I'm serious.  Its starting to
resemble a 747 dashboard.

Foot switches, PTT's, Key Down, Key Up, RF
Out, No RF, No Receive, Receive ......
and Knife Switches!  PTT CW?  PTT SSB,
PTT WFM?  Neon tuning tube?  Who's on first?

I hope Elecraft has a very good Technical Writer
on this one.  Lots of room, for misinterpretaton
and confusion remains IMHO.   When even Don,
got into this - I knew it was a confusing
topic.  Sounds like a long well-worded
paragraph or 2, with some flow diagrams is in
order.  And especially include it in the
"preliminary startup" description.

N3CSY
de Fred





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Re: K3 PTT - WHHTLOT

M0XDF
Not being rude, but you tried to drive an FT-2000 or worse an FT-857 where
nearly everything is on menus!

So far, this is looking like an easy ride, but with every comfort you could
imagine.


On 25/9/07 12:38, "Fred (FL)" <[hidden email]> sent:

> Its starting to
> resemble a 747 dashboard.

--
Children aren't happy without something to ignore, And that's what
parents were created for. -Ogden Nash (1902-1971)




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RE: WHHTLOT ?

Darwin, Keith
In reply to this post by Fred (FL)
Ah, um, what is WHHTLOT?

Reply directly if it is not something for public consumption ...

keith.darwin (dit-dah  dah) goodrich.com

- Keith N1AS -
- K2 5411.ssb.100 -

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Re: K3 PTT - WHHTLOT

Don Wilhelm-4
In reply to this post by Fred (FL)
Fred,

I believe it has been clarified now - many thanks to Vic and Ed.  The
problem that I saw was that different folks had a different view of what
"Transmit Mode" meant when in CW mode.  I would prefer the use of
"Transmit State" instead to describe a state of the hardware apart from
the generation of RF by the paddles (or computer, etc.).

The prior discussion of what the action of a PTT closure while QSK or
Semi-QSK were selected caused further drift of the terminology.

In other words, everyone knew what they were thinking, but I am not sure
everyone knew what everyone else meant. So I had to ask.

73,
Don W3FPR

Fred (FL) wrote:

> I hope Elecraft has a very good Technical Writer
> on this one.  Lots of room, for misinterpretaton
> and confusion remains IMHO.   When even Don,
> got into this - I knew it was a confusing
> topic.  Sounds like a long well-worded
> paragraph or 2, with some flow diagrams is in
> order.  And especially include it in the
> "preliminary startup" description.
>
> N3CSY
> de Fred
>
>
>
>
>
>       ____________________________________________________________________________________
> Catch up on fall's hot new shows on Yahoo! TV. Watch previews, get listings, and more!
> http://tv.yahoo.com/collections/3658 
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
>  http://mailman.qth.net/mailman/listinfo/elecraft   
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com
>
>
>  
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Re: K3 PTT - WHHTLOT

Vic K2VCO
In reply to this post by Fred (FL)
Fred (FL) wrote:
> After the 28 posts on "K3 PTT", I'm thinking we
> haven't heard the last of this!
>
> Wow - 45 versions and re-explanations of what the
> K3 PTT function is.  In just CW?  As a non-contestor,
> getting back into hamradio ham - I'm starting to
> think the K3 is getting perhaps too complex, for
> normal operation.  I'm serious.  Its starting to
> resemble a 747 dashboard.

It's really very simple. Here's what I wrote to someone else:

It's my fault for saying "Transmit mode" when I should have said
"Transmit state". In transmit state the rx is muted (except for
sidetone), the transmitter is 'armed', the antenna is switched to the
transmitter, and an external amp or antenna relay is activated.

There is also a "receive state", of course.

CW and SSB (etc.) are 'modes'. The following are 'submodes' for CW: PTT,
QSK, and semi QSK.

Then it's simple: the PTT switch puts the rig into transmit state. QSK
and semi-QSK are ways to *automatically* enter and exit transmit state
when you send CW. But in  PTT submode, the automatic switching to
transmit state with keying is disabled. In PTT submode, you switch
states *manually*.

What seems to have confused everyone is that with the K3, if you are in
the QSK or semi-QSK submode, the PTT switch is 'live' even though it is
not needed. It will put you in transmit state if you close it. It is in
a sense in parallel with the automatic switching that is initiated with
the key.

This is not really important for the original issue, which is that some
VHF (and other) operators wanted a PTT submode which did not originally
exist, in which the *ONLY* way to enter transmit state is to use the PTT
switch.

Now they have it.

I hope this is the final, definitive, solution to the confusion which I
created.
--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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