[Elecraft] WSJT-X K3/K3s hanging as Tx

[tomb18]

Using hardware PTT using Dtr or RTS is technically fine but many software packages will default to having them on with the consequence that the transmitter is in transmit mode if PTT is set to dtr. It becomes more and more complicated with more software hooked up. I have yet to see any software that cannot be used with software cat based PTT. It gets rid of most issues. As I said it is fine, but it takes more effort to make sure everything is set correctly. It also is possible that you will have to go into the driver advanced options for the serial port and turn off interrogation at start and other possible values. Play it safe, just use software Ptt for everything. 73 Tom Va2fsq.com 


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-------- Original message --------From: Jim Brown <jim at audiosystemsgroup.com> Date: 2017-11-13  3:18 PM  (GMT-05:00) To: elecraft at mailman.qth.net Subject: Re: [Elecraft] WSJT-X K3/K3s hanging as Tx 
On 11/13/2017 11:12 AM, Gary Smith wrote:
> For those using WSJT-X, sometimes I find
> the K3s is locked as transmit but there is
> no RF being sent and no Rx from the K3.

I've been using WSJT-X since it was first introduced several years ago, 
and I've never had this problem. I've always used VOX to put the rig in 
TX mode, as I do with SSB and all digital modes. I've often run with a 
power amp that uses a vacuum relay for T/R switching, and there's 
sufficient delay within the K3 and K3s for the amp's T/R relay to switch.

73, Jim K9YC

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