The menu option in the K3 is PTT KEY. If you set this to OFF-OFF then you
won't have any issues with transmit coming on when you don't want it. Just
make sure you use CAT based PTT in your software and you are good to go.
73
-----Original Message-----
From: tomb18
Sent: Monday, November 13, 2017 3:34 PM
To: j...@audiosystemsgroup.com ; elecraft@mailman.qth.net
Subject: Re: [Elecraft] WSJT-X K3/K3s hanging as Tx
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
Sent from my Samsung Galaxy smartphone.
-------- Original message --------From: Jim Brown
<j...@audiosystemsgroup.com> Date: 2017-11-13 3:18 PM (GMT-05:00) To:
elecraft@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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