Jim,
What is the firmware level of your K3/K3S?
If it is 5.33 or later, there is a SAFE/UNSAFE mode for PTT-Key. An
excerpt from the 5.33 Firmware Release Notes is below:
* PTT/KEY USE WITH THE USB PORT IMPROVED: PC applications can activate
PTT and KEY at the K3S via the USB port's RTS/DTR signals. However,
initial setup of the rig's USB port by the PC may cause pulsed or
continuous activation of the transmitter. This can happen if the
computer is turned on after the K3S, or if the USB cable is not
connected. There is now a "Safe" mode (the default) which disables
PTT-KEY transmit until the K3S receives a command via USB, such as a
read of the rig's VFO frequency. To turn on safe mode on/off, go into
CONFIG:PTT-KEY and tap '1' to select "USB SAFE" or "UNSAFE". Exit the
menu and turn the K3S off/on. Applications that use PTT-KEY via USB but
never send commands may require "UNSAFE" mode. In this case, unwanted
transmit can be avoided by turning the PC on before the K3S.
73,
Don W3FPR
On 7/22/2018 5:07 PM, Jim N7US wrote:
I've lost track of the (menu?) setting that prevents the K3 or K3S from
going into TX when the attached computer is powered on. The radio goes into
TX two or three times when the computer starts.
73, Jim N7US
______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[email protected]
This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to [email protected]
______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[email protected]
This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to [email protected]
