SVGA Adapter and Computer Link Failure

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SVGA Adapter and Computer Link Failure

J. Wolf-2
At the recent IDXC in Visalia, I bought the SVGA adapter for my P3. It
works just fine but I've noticed an apparent bug that I can't explain.
When just the panadapter display (with the waterfall) is showing, the
K3/P3 link to my PC's logging program (CommCat) remains stable. When the
Rx and Tx data windows are displayed on the external monitor, however,
the computer link goes down. I can reconnect, but within minutes the
link is lost again, and this happens no matter how many times I
reconnect. Has anyone else seen this problem? Does anyone have a
solution for it?
--Jeff, K6JW
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Re: SVGA Adapter and Computer Link Failure

Paul Saffren N6HZ
Hi Jeff,

When the P3/SVGA is in data terminal mode (Rx and Tx data windows), there is increased traffic over the serial link between the P3/SVGA and the K3.  This is because the P3/SVGA data terminal mode uses the built in data decode within the K3.  While we have verified operation with HRD, we simply don't have the resources to test every possible configuration. My guess is that CommCat is not seeing replies to its queries in a timely manner.  One thing to try is to lower the baudrate between the P3 and the PC.    

73,

Paul


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Re: SVGA Adapter and Computer Link Failure

Paul Saffren N6HZ
In reply to this post by J. Wolf-2
Hi Jeff,

When the P3/SVGA is in data terminal mode (Rx and Tx data windows), there is
increased traffic over the serial link between the P3/SVGA and the K3.  This
is because the P3/SVGA data terminal mode uses the built in data decode
within the K3.  While we have verified operation with HRD, we simply don't
have the resources to test every possible configuration. My guess is that
CommCat is not seeing replies to its queries in a timely manner.  One thing
to try is to lower the baudrate between the P3 and the PC.    

73,

Paul






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