[LOGic] Loss of serial comms with rig when tx on CW

Sat Jul 8 04:11:14 EDT 2006

Does it do the same thing if you use some other kind of keying such as a 
straight key or maybe computer generated keying or an external keyer? Is it 
ok on SSB? I have a 746 Pro and no problems with any kind of keying at all. 
Off the top of my head, I wonder about RFI issues or serial port interrupt 
conflicts or something like that. K7MH
----- Original Message ----- 
From: "Bill W5WVO" <w5wvo at cybermesa.net>
To: "[LOGic]" <logic at mailman.qth.net>
Sent: Friday, July 07, 2006 4:49 PM
Subject: [LOGic] Loss of serial comms with rig when tx on CW
This is probably one of those "It's the software" / "No, it's the hardware" 
kind of things... But I really do think it's the hardware, and if anyone 
else concurs, I'll post something on the TS-2000 group.
I'm using LOGic 7 to communicate with my Kenwood TS-2000 for routine logging 
purposes (mode and frequency). I'm using the 38,400 baud setting, 1 stop 
bit, polling the rig every 100 ms (fastest setting). This works fine except 
for when I'm transmitting on CW, using the rig's internal keyer. In this 
mode, I will usually get a "unable to communicate with with rig" message 
from LOGic. My guess is that the TS-2000 processor is too busy (due to 
internal keyer?) to service the serial port every time it interrupts, and 
LOGic bails out on it.
Question: Does anyone know if LOGic errors out when even ONE serial exchange 
is missed -- in other words, no retries? I don't want to decrease the 
polling frequency or baud rate -- but if my scenario is right, that probably 
wouldn't solve the problem anyway, just make it somewhat less frequent.
Has anyone else experienced this problem when sending on CW? If so, with 
what rig?
Bill W5WVO
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