Am I missing something or is this PTT stuff simply the same
as MOX (in a Yaesu)?
PTT is a jack on the K3 rear panel that performs as you describe MOX below
when it is shorted to ground. Typically a footswitch is connected to the
PTT jack. QSK and SEMI break-in are disabled in this mode.
I would also hope that the K3 carrys
forward the 8R feature built into the K2.
This keys some amps perfectly well.
Amplifier keying provided via the KEY OUT jack on the K3 rear panel.
73,
Ed - W0YK
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W0YK:
Thanks to you and others speaking up, it is clear that this standard feature
on all radios is really being used by a number of operators. I wouldn't
call it feature creep, but rather a basic feature that should be in every
radio.
Yes, it's been in such popular rigs as the
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
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) [EMAIL PROTECTED] sent:
Its starting to
resemble a 747 dashboard.
--
Hi Vic:
You didn't mention it, but I'm assuming that this is with QSK and
SEMI-QSK NOT invoked, right?
Haven't loaded the latest firmware release... busy yesterday... will
do so though.
73,
Tom
At 22:15 09/24/2007, Vic K2VCO wrote:
I just loaded Wayne's latest K3 firmware, and (in
Hi Vic:
DISREGARD - Just re-read the bottom of your previous message... sorry.
Tom
_ I errantly wrote _
You didn't mention it, but I'm assuming that this is with QSK and
SEMI-QSK NOT invoked, right?
Haven't loaded the latest firmware release... busy yesterday... will
do so
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
Hi Don, et al:
Since no one has explained the difference between 'Transmit mode'
and the K3 is now transmitting since QSK has been started with a
keypress - I would believe that the PTT input is redundant when in
QSK or Semi-break-in modes.
Actually, it' might not all that redundant, since
Tom Hammond wrote:
Actually, it' might not all that redundant, since there ARE times when, even
in QSK, you might NOT want to allow the rig to return immediately to RX...
WHILE SENDING... for instance when you're in the middle of a transmission
and someone
(not the guy you're sending to)
On Tue, 25 Sep 2007, Bill W5WVO wrote:
Tom Hammond wrote:
Just hit the foot switch (connected to PTT) and you'll mute the RX until
you let up on the footswitch.
Would the same apply to SSB or AM operation for the monologists in the crowd?
73 - l3hrn
Thom,EIEIO
Email, Internet, Electronic
Bill W5WVO wrote:
Tom Hammond wrote:
Actually, it' might not all that redundant, since there ARE times
when, even in QSK, you might NOT want to allow the rig to return
immediately to RX... WHILE SENDING... for instance when you're in the
middle of a transmission and someone
(not the guy
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,
Do you mean
...closing PTT has no effect because QSK already
has you in transmit mode?
Or while in QSK mode must you closs PTT in order to transmit?
de Joe, aa4nn
This is in addition to the regular semi- and full-QSK modes. AND, if you
are in semi- or full-QSK mode, closing PTT still puts you
Joe, aa4nn wrote:
Do you mean
...closing PTT has no effect because QSK already
has you in transmit mode?
Or while in QSK mode must you closs PTT in order to transmit?
de Joe, aa4nn
There are three modes available.
1) PTT
2) Semi-QSK
3) QSK
In QSK mode, you just hit the key to transmit.
hit the key to transmit. That's all. In PTT
mode, you must close PTT, which switches to TX mode, and then hitting
the key transmits.
If you are in QSK mode, closing the PTT switch will put you in
transmit mode. But the key is NOT disabled when PTT is open
Does closing PTT when in QSK mode inhibit a return to receive
until the PTT is released? - that is the only thing I can think of.
Yes.
73,
Ed - W0YK
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Sounds like my footswitch will ... when I get the K3 ... work
like it's supposed to. (:-)) Thanks, Electraft.
73! Ken Kopp - K0PP
[EMAIL PROTECTED]
or
[EMAIL PROTECTED]
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Don Wilhelm wrote:
Joe and all,
I have the same questions.
Since no one has explained the difference between 'Transmit mode' and
the K3 is now transmitting since QSK has been started with a keypress
- I would believe that the PTT input is redundant when in QSK or
Semi-break-in modes.
That clarifies part of it - but 'transmit mode' apparently is
not defined as the presence of RF - it simply means that
the K3 will not return to the receiving condition (if I
understand what you mean correctly). Please confirm or
provide an alternate explanation of Transmit Mode.
That's
I seem to be missing the point of this PTT CW keying thing... Is it for
transverter/linear/mast head pre-amp use on VHF/UHF?
A useful feature that was mentioned a long time ago (and put on the back
burner I think), was adding a programmable transmit feature to one the
PF buttons to give a
Hi !
I'm planning on using my K2 as an IF for a remote 1296 MHz DB6NT
Transverter. I would love to switch the PTT thrue to coax line. For that
I would need 3 to 12V on the center pin of the coax. Can I just use the
pin 6 (8T) of the J13 connector and inject this into the antenna socket
of my
Martin,
I would strongly suggest using the 8R signal instead - when inverted it
is the same as the signal from the KPA100 ext amp keying interface or
the Amp Keying interface for the base K2 that is offered by Tom N0SS.
8R can be set to a delay in the K2 menu and is present about 15ms prior
Hi Martin:
At 07:57 06/12/2007, Don Wilhelm wrote:
I would strongly suggest using the 8R signal instead - when inverted
it is the same as the signal from the KPA100 ext amp keying
interface or the Amp Keying interface for the base K2 that is
offered by Tom N0SS.
See:
Don and Tom,
Thanks to both of you for your answers. I understand the flexibility
that 8R gives your in term of T/R switching. Can I still feed my +8V to
the center pin of the coax to switch my Transverter thrue the RF in ?
Tom I saw your t-r switch ! If I understand it right on TX there is
Martin,
I would not recommend that you take the 8 volts out of the K2.
As an alternative, develop the required DC voltage at the transverter
end, and then ground it during transmit with the K2 amp keying circuit.
OR - key a relay at the K2 end with the amp keying circuit, then use the
relay
On Apr 29, 2007, at 11:39 AM, Bob Evans wrote:
My only complaint in both my K2s was the ability to have my contesting
software key the PTT line while on CW. I understand the K2 was built
with
the backpacker in mind that might want to send CW with his MIC, but I
hope
this idea was not
You bet, I -LIKE- to use a foot switch on CW. It lets
me pause ... for whatever reason ... longer than the
normal T/R time. If an amp or other external gear
is involved it keeps everything from clunking and clattering
up/down.
I'm a newbie, just building S/N 5665 and I just assumed
I'd have
Ken, K0PP wrote:
If an amp or other external gear
is involved it keeps everything from clunking and clattering up/down.
Aha! I hadn't considered driving a non-QSK amplifier. Tnx
You do have control over the TX delay or hang. You can set the K2 to stay
in TX mode
/N 5665 and I just assumed
I'd have PTT on CW .
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or other external gear
is involved it keeps everything from clunking and clattering
up/down.
I'm a newbie, just building S/N 5665 and I just assumed
I'd have PTT on CW .
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You must
Bill,
The K2 produces RF about 15 to 20 ms after the KPA100 Amp Keying output goes
low, so if an amplifier can be ready to accept RF input properly within that
time period, it is fast enough to follow the K2.
I would deem that time 'reasonable' for a relay rated for QSK operation. If
you happen
www.w3fpr.qrprqdio.com (or the
mirror at www.qsl.net/w3fpr).
73,
Don W3FPR
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Frank Mayer
Sent: Tuesday, July 12, 2005 7:49 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] CW PTT
I'm considering ordering a K2/100
I'm considering ordering a K2/100 transceiver and I'm concerned about the lack
of a front panel MOX or SEND button . I've read alot of the posts on the
reflector concerning the issue. I have used full-break in in the past but not
on a regular basis. Is there anyone that is using the K2 that
Frank,
I have had a few full break in rigs in the distant past, and back then,
I was disappointed; for the last 30 years most of my operating has been
semi-break in, and now with the K2, full break in, and I find I really
love it; it is a real pleasure to use - for example, in the recent IARU
My SO2R contesting setup just replaced an FT847 and
SB220 amp (2nd station) with the K2/100.
My setup is a single PC running Writelog with CW
keying and Radio A/B selection coming from the LPT
port. A homebrew bit of hardware does the keying and
PTT generation for both radios. My previous setup
I've fully embedded my K2 with it's new 100W option
into my SO2R layout, driving a SB220 for the 2nd
station (replacing a hopelessly inadequate FT847).
While everyone works fine, the cooling fan is blowing
air INTO the radio and exiting from the speaker.
Is this right or did I install it
On Sat, 2005-12-02 at 15:41 -0800, Steve L. wrote:
While everyone works fine, the cooling fan is blowing
air INTO the radio and exiting from the speaker.
Is this right or did I install it backwards?
That's correct. It's set up so it blows cool air from outside the radio
across the PA
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