[WT-support] CW/PTT delays using LPT

Bob Wilson, N6TV n6tv at arrl.net
Tue Mar 20 19:13:27 CET 2012


On Tue, Mar 20, 2012 at 3:01 AM, <markku.a.oksanen at .... .com> wrote:

>  I tried to post (not registered to the list) but my post is not coming
> to the reflector.
>
> **
>
> Do I need to register to post? (info is not clear about this).
>

Yes, subscribe first, then you can post.  See
http://www.win-test.com/rubrique.php3?id_rubrique=1720


> ****
>
> WT 4.9.1 LPT keying PTT erratic delay
>
> **
>
>  **
>
> **
>
> I am using XP home (latest updates), Win-Test 4.9.1 and DX Doubler with
> LPT for PTT and CW.****
>
> ** **
>
> Just updated to a faster PC and I am finding that the PTT return to RX
> delay has been a bit longer and erratic than with a slower, older PC.****
>
> This was particularly annoying this weekend (RDXC) when I missed so many
> first dits of all UA station calls.****
>
> ** **
>
> Any ideas?
>

Yes, it could be the spoolsv.exe problem.  See
http://lists.f5mzn.org/pipermail/support/2010-November/080485.html .

****
>
> I found out that I can change the WT process priority in XP to “Real Time”
> but I have not evaluated this yet.****
>
> How do I set the priority of the *DLPortIO.dll* that actually runs the CW
> (or is it just a LPT driver?)
>

Should not be necessary.

73,
Bob, N6TV
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