[Elecraft] [K3} CW in SSB - no manual PTT?

[iain macdonnell - N6ML]

On Thu, May 9, 2013 at 7:45 AM, Ian White <gm3sek at ifwtech.co.uk> wrote:
>>The firmware has no way of distinguishing "SSB PTT" from "CW PTT".
>
> Correct - but (key_down .and. PTT) is unambiguous.

Keyers will generally assert PTT slightly *before* CW keying, so amps,
etc, can be turned on.

73.

    ~iain / N6ML



>>-----Original Message-----
>>From: dseven at dseven.org [mailto:dseven at dseven.org] On Behalf Of iain
>>macdonnell - N6ML
>>Sent: 09 May 2013 14:43
>>To: Ian White
>>Cc: Pierfrancesco Caci; elecraft at mailman.qth.net
>>Subject: Re: [Elecraft] [K3} CW in SSB - no manual PTT?
>>
>>Hi Ian,
>>
>>What you describe is how I understand it's supposed to work. If you
> assert
>>PTT in SSB mode, it's assumed that you want to transmit SSB.
>>The firmware has no way of distinguishing "SSB PTT" from "CW PTT".
>>
>>73,
>>
>>    ~iain / N6ML
>>
>>
>>On Thu, May 9, 2013 at 6:10 AM, Ian White <gm3sek at ifwtech.co.uk>
>>wrote:
>>> Microphone muting is not a problem. When SSB VOX and CW VOX are
>>both
>>> enabled, we can hear the CW-in-SSB logic working correctly: whichever
>>> mode of transmission is triggered first, that mode "wins" and input
>>> for the other mode remains muted until the VOX drops out.
>>>
>>> The problem specifically involves the use of manual PTT (microphone
>>> button, XMIT button or foot switch) which completely blocks the CW
>>> input.
>>>
>>>
>>> 73 from Ian GM3SEK
>>>
>>>>-----Original Message-----
>>>>From: Pierfrancesco Caci [mailto:pf at tippete.net]
>>>>Sent: 09 May 2013 12:58
>>>>To: Ian White
>>>>Cc: elecraft at mailman.qth.net
>>>>Subject: Re: [Elecraft] [K3} CW in SSB - no manual PTT?
>>>>
>>>>>>>>> "Ian" == Ian White <gm3sek at ifwtech.co.uk> writes:
>>>>
>>>>
>>>>    Ian> When using the "CW in SSB" feature [1] my K3 will transmit
> CW
>>> using
>>>>semi
>>>>    Ian> or full breakin, but not when using manual PTT. The
>>>>footswitch
>>> and
>>>>the
>>>>    Ian> XMIT button will switch the K3 into transmit, but then the
> CW
>>> keying
>>>>is
>>>>    Ian> blocked.
>>>>
>>>>    Ian> Is this a configuration error on my part, or a firmware bug?
>>>>
>>>>
>>>>wouldn't you get microphone audio mixed with the CW tone if you'd
>>>>allow PTT to work?
>>>>
>>>>
>>>>--
>>>>Pierfrancesco Caci, ik5pvx
>>>
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