Gilles,
As long as you are dependent on an application running on the PC for
timing, you will have similar problems. Windows prioritizes the timing
of events to its own pleasure, and servicing the application is not
necessarily of the highest priority. It is normally not noticed, but
with things like CW keying where timing is critical, the operating
system gets in the way.
Back in the old DOS days when the currently running application had the
full attention and command of computer resources, this was not a problem
- back then, there was no "background processing".
The Winkey is the solution normally employed to attack that problem.
If you do not want to invest in the Winkeyer, then confine yourself to
running only the application that is doing the CW keying. The more
applications you have running at the same time, the worse the contention
for computer resources becomes.
73,
Don W3FPR
On 7/13/2017 6:31 PM, VA2EW wrote:
Hi all,
Last WE during the IARU HF I have tested the use of the USB input of the
K3S in replacement of a RIGEXPERT TI-5 box.
Everything looked great until I experimented that sometimes randomly the
beginning of the first dash or dot was missing when sending CW via
Wintest under Windows 10.
I guess it is a real-time related problem with USB under Windows.
Is there someone who have a solution to fix that or must I come back to
the RIGEXPERT or eventually add a Winkeyer ?
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