[Elecraft] K3: Configuring N1MM to send CW

[David Gilbert]

My apologies to all ... this was supposed to be a direct reply.  I 
didn't mean to perpetuate the thread on the reflector.  Sloppy 
addressing on my part ....

73,
Dave   AB7e


David Gilbert wrote:
> That simply isn't accurate.  It might be true on a slow computer (or one 
> bogged down with other junk) , since N1MM (the author) makes it very 
> clear on his web site that he doesn't try to optimize the code for older 
> machines, but I've run direct keying from N1MM in many contests over the 
> last few years without ever a glitch.  K7ZB and I ran a continuous 48 
> hours as a multi/single entry in the CQWW CW contest last November, 
> completed over 1500 contacts, and hit the F1 key countless thousands of 
> times ... all without any issues.  Keying speeds were typically 26 to 28 
> WPM, but often faster.
>
> I know of several other active contesters who have had similar results 
> without resorting to Winkey, although it is indeed a very nice piece of 
> hardware.
>
> Dave   AB7E
>
>
>
> WILLIS COOKE wrote:
>   
>> This is a very well known problem.  It has been documented by N1MM and many contest publications.  It is not a problem with N1MM, it is a problem with WINDOWS.  If you change to another version of N1MM or a different logging program, you will have the same trouble.  The usual solution is to purchase and use a WinKeyer.  Virtually all CW contesters 
>> have done this.  The other alternative is to revert to DOS and an old unsupported DOS logger.  I am not sure if buying a MAC will help.
>>
>> The problem is the way that WINDOWS handles interrupts.  It does not give a high enough priority to the serial bus to allow proper keying at anything but very slow speeds.
>>
>> Willis 'Cookie' Cooke 
>> K5EWJ
>>
>>   
>>     
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