You can build a simple CW transistor interface. Diagram here:
http://aa5au.com/rttyinterface.html
73, Don AA5AU
-----Original Message-----
From: WriteLog [mailto:writelog-bounces@contesting.com] On Behalf Of Darren
Collins (G0TSM)
Sent: Sunday, July 06, 2014 3:59 PM
To: writelog@contesting.com
Subject: Re: [WriteLog] CW direct keying
Wayne,
Thanks for replying... Luckily the Winkey unit has sprung back into life after
being disconnected for 24hrs, but i'll try your
suggestion on direct keying tomorrow.
73 Darren (SV5/)G0TSM
On 06/07/2014 18:30, Wayne, W5XD wrote:
>> my Winkey compatible interface has failed, luckily I have a spare
>> directkeying interface which is just an opto-isolater type. It works
>> fine but everynow and then it will just go crazy and it sounds like
>> rig is being keyed very fast with rough choppy CW.
> This is a tough one. The reason WinKey exists is exactly the situation
> you're in. Its not COM port settings that are your problem. Your
> problem is tasks that Windows thinks are higher priority than WriteLog
> and its CW timers. It might be possible to track them down, but its
> not easy. I would start with virus checkers--turn them all off. (Why?
> they tend to install themselves as being higher priority than anything
> else on the machine.)
>
> I would at least have a look at the Processes tab of the Windows Task
> Manager (right click in your Start Menu bar, and choose Task manager)
> and sort by "CPU". See if something is running that you recognize and
> see if you an figure out how to turn it off.
>
> You might even try sorting that same panel by Image Name, find
> WriteL32.exe, right click on it, and raise its priority. I have never
> tried that. But I don't think it can hurt anything.
>
> Wayne, W5XD
>
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-----
No virus found in this message.
Checked by AVG - www.avg.com
Version: 2014.0.4716 / Virus Database: 3986/7806 - Release Date: 07/06/14
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