[Elecraft] CW Keying characteristics-computer vs Bencher

Jessie Oberreuter joberreu at moselle.com
Sun Dec 12 15:04:58 EST 2004


      Just to nail down the test case, you are keying via the key input (if 
so, in straight key more or in auto-detect mode), or programmatically 
through the serial port?

On Sun, 12 Dec 2004, Ralph McClintock wrote:

> Don,
> The computer generates an on-off. Writelog does not allow any adjustment of
> keying characteristics. The Bencher generates an open or ground. Why does
> the K2 recognize the Bencher, a mechanical switch, as soft and why does it
> recognize the computer as hard?
> Ralph W1ZK
>
> ----- Original Message -----
> From: "W3FPR - Don Wilhelm" <w3fpr at earthlink.net>
> To: "Ralph McClintock" <w1zk at earthlink.net>
> Sent: Sunday, December 12, 2004 7:10 PM
> Subject: Re: [Elecraft] CW Keying characteristics-computer vs Bencher
>
>
>> Ralph,
>>
>> There is little to nothing that one can do to alter the keying waveshape
>> from the outside of the K2, so you are likely hearing something different
>> than the keying waveshape.
>>
>> How does the computer program handle the keying 'weight' - I would expect
>> that to be the difference you hear.  Change the weighting characteristic
> in
>> the program to something different (if the program allows you to change
> it)
>> just to see - and then set whatever you desire.
>>
>> 73,
>> Don W3FPR
>>
>> ----- Original Message -----
>>
>> I finally hooked up my computer keying circuit, 2N2222 off the parallel
>> port, to my K2 before the CQWW contest. I have noticed what appears to be
> a
>> significant difference in the keying characteristic from the computer
> versus
>> the keying from the Bencher key. The computer appears to have a
>> significantly harder characteristic than the Bencher. This is observed in
>> the sidetone as I have not checked it with a 2nd receiver. Has anyone else
>> noticed this phenomenon?
>> tnx & 73's,
>> Ralph W1ZK
>>
>>
>>
>
>
> _______________________________________________
> Elecraft mailing list
> Post to: Elecraft at mailman.qth.net
> 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
>


More information about the Elecraft mailing list