[Elecraft] K3 a few new user questions

[Ray G3XLG]

Thanks for your help Richard.

Answers below

Ray

 

From: Richard Ferch [via Elecraft]
[mailto:ml-node+s365791n7352062h83 at n2.nabble.com] 
Sent: 07 March 2012 15:11
To: Ray G3XLG
Subject: Re: K3 a few new user questions

 

Something is clearly amiss with your PTT and CW configuration. It sounds 
as if you have CONFIG:PTT-KEY set to ON-ON. Set CONFIG:PTT-KEY to 
OFF-OFF to clear the error messages; having done that, you need to 
decide how you will be controlling PTT and configure accordingly. It was
already at Off OFF

If you weren't using the microKeyer, the simplest way to control PTT 
would be to use VOX, as Don suggests, and do not configure any PTT in 
N1MM Logger. The second simplest would be to use RTS on the radio 
control port with CONFIG:PTT-KEY set to RTS-OFF, but I don't think this 
works with the microKeyer. The microHam setup instructions show how to 
configure both MMTTY and MMVARI for FSK and AFSK. Note that even if you 
configure N1MM to use RTS on the radio control port for PTT, that is 
intercepted by the MKII and not passed through to the radio. You need to 
leave the K3's CONFIG:PTT-KEY = OFF-OFF and let the MKII do PTT control 
through the ACC connector or the PTT IN jack on the K3 (depending on 
which cable set you have). The cable set is the DB37-El-K3R one from
MicroHAM for the K3

Do not configure N1MM to use software PTT commands with the K3; 
regardless of whether you are using a microKeyer or not, there are 
better more reliable alternatives available. 

73, 
Rich VE3KI 


Ray G3XLG wrote: 

> However whilst MVARI in N1MM decodes PSK31 signals fine, when i try to 
> transmit I get no power output & instead I get a couple of error messages
on 
> the K3 - Error PTT , Error KEY which in the K3 manual saysits usually
caused 
> by an external device (the MicroHAM MKII?) shorting KEY or PTT to ground. 
> I've obviously got something setup wrong in either N1MM config or in the 
> MKII router. Any ideas please? 
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Ray G3XLG
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