Commander in DxLab locking up

[k1tgx]

I have been successfully using DxLab as my logging/control program for my K3S for a few months now. About 2 weeks ago and again yesterday the Commander module locks up. If I am not attentive it ends up logging contacts on the 'locked up' freq and mode.
I am using a new HP computer in the shack with Windows 10 connecting to the K3S with the USB port.
The applications manager is unable to force Commander down. The only choice I have is to close everything else n then manually turn off the computer. When it reboots all is good.
I have started to shut down Commander when I shut off the K3S - the computer runs 24/7 as there are scripts running for auto backup to my NAS.
My issue sounds somewhat familiar to a recent post here.
Any suggestions where to start?




Life is short
Ride hard
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[tomb18]

HiMy edgeport mutiserial port usb device will lock up as well as any software when I transmit at over 100w on 160 and 80m. The only thing that will restore things is to do a power down. Its possible that you may have an rfi issue. Check any usb hubs too. 73 Tom 


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-------- Original message --------From: Jerry <[hidden email]> Date: 2016-09-11  4:30 PM  (GMT-05:00) To: [hidden email] Subject: [Elecraft] Commander in DxLab locking up
I have been successfully using DxLab as my logging/control program for my K3S for a few months now. About 2 weeks ago and again yesterday the Commander module locks up. If I am not attentive it ends up logging contacts on the 'locked up' freq and mode.
I am using a new HP computer in the shack with Windows 10 connecting to the K3S with the USB port.
The applications manager is unable to force Commander down. The only choice I have is to close everything else n then manually turn off the computer. When it reboots all is good.
I have started to shut down Commander when I shut off the K3S - the computer runs 24/7 as there are scripts running for auto backup to my NAS.
My issue sounds somewhat familiar to a recent post here.
Any suggestions where to start?




Life is short
Ride hard
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[Jim Brown-10]

On Sun,9/11/2016 1:46 PM, tomb18 wrote:
> My edgeport mutiserial port usb device will lock up as well as any software when I transmit at over 100w on 160 and 80m. The only thing that will restore things is to do a power down. Its possible that you may have an rfi issue. Check any usb hubs too.

Study k9yc.com/RFI-Ham.pdf  for reliable cures for RFI problems,
including this one. I have three specific recommendations for you. 1)
wind at least 12 turns of the USB cable through a Fair-Rite #31 2.4-in
o.d. ferrite core. Do the same with each serial cable. 2) If that does
not fix the problem, replace each serial cable with one you have built
yourself with CAT5 cable and DB9 connectors. See detailed instructions
for the cable in http://k9yc.com/GroundingAndAudio.pdf -- Slide #184. 3)
Bond from chassis to chassis of all the gear in your shack with short,
fat copper. Study that same set of slides.

I experienced exactly this problem when I lived in Chicago, where my
primary antenna for 80 and 160 was a Tee-vertical that I loaded as a
long wire, using a big wrought-iron fence as a counterpoise. This put a
big current peak in the shack, which coupled magnetically into the
serial cable. As little as 14W caused the serial port to lock up. When I
replaced the serial cable between the computer and my K2/100 with a
cable that I built from CAT5, I was able to run my Ten Tec Titan amp at
legal limit without interference.

73, Jim K9YC
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[Joe Subich, W4TV-4]

This is a well known symptom of a loss of the virtual serial port -
Windows is turning off power to the USB port feeding the K3S (or
the K3S is being turned off before the computer).  It can also occur
if common mode RFI results in a high RF voltage on either the USB
port in the computer or the USB UART/bridge in the K3S.

If the lockup occurs when one transmits - particularly on only one
or two bands - look for common mode RFI (see K9YC's tutorials).  If
the lockup occurs when the the computer sleeps, the K3S is turned
off, or after random periods of inactivity, disable the Windows "Power
saving Settings" - particularly "USB Selective Suspend" -  in the
Windows Control Panel so Windows will not disable the USB ports and
cause the virtual serial port to "go away" unexpectedly.

73,

    ... Joe, W4TV


On 9/11/2016 4:30 PM, Jerry wrote:

> I have been successfully using DxLab as my logging/control program for my K3S for a few months now. About 2 weeks ago and again yesterday the Commander module locks up. If I am not attentive it ends up logging contacts on the 'locked up' freq and mode.
> I am using a new HP computer in the shack with Windows 10 connecting to the K3S with the USB port.
> The applications manager is unable to force Commander down. The only choice I have is to close everything else n then manually turn off the computer. When it reboots all is good.
> I have started to shut down Commander when I shut off the K3S - the computer runs 24/7 as there are scripts running for auto backup to my NAS.
> My issue sounds somewhat familiar to a recent post here.
> Any suggestions where to start?
>
>
>
>
> Life is short
> Ride hard
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]
>

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