[ct-user] PTT Asserted on Startup, 9.92 and 10?!

[Ken Wolff]

What type of CW keying interface are you using? CT manipulates two pins on the LPT to do CW because the state of the LPT port is unknown when the computer boots.

- Ken

> ------------Original Message------------
> From: kd4d at comcast.net
> To: ct-user at contesting.com
> Date: Thu, Jan-8-2004 10:26 AM
> Subject: [ct-user] PTT Asserted on Startup, 9.92 and 10?!
> 
> Good Morning, All:
> 
> I'm having a problem with the PTT line being asserted when CT is
> started.  Often, nothing will clear it.
> 
> To diagnose the problem, I installed DOS 6.22 on a newly formatted
> partition on a laptop, ran the old CT setup program and installed 
> 9.92-001.
> 
> When I start CT, and enter a bin filename "test," which does not
> exist (no test.bin file), the PTT line is keyed when I hit return.  
> This is using a WX0B SO2R master box (actually, two different ones).
> 
> John Evans and I have seen similar problems on three computers,
> with versions 9.92 and 10.  In some cases, stopping and restarting
> CT and the TSR's clears up the problem.  In others, the PTT line
> remains asserted at all times.  I have seen the PTT line cleared
> after going through the startup menus and configuring ports and
> setup.
> 
> Before I spend any more time chasing this down, and trying to figure
> out exactly why and when the problem occurs, has anyone seen this
> problem or anything like it?
> 
> Thanks in advance and 73.
> 
> Mark, KD4D
> 
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