No need to waste a lot of time on this. Set all to 38400, the default speed for the P3 to work well.
Sent from my iPhone ...nr4c. bill > On Oct 12, 2018, at 3:28 PM, Henk de Vries (hdv) <h...@kpnplanet.nl> wrote: > > Hi all, > > > > Using my home-made RS232 sniffer in order to capture K3s frequency > information while my K3s is exchanging information with Wintest I found some > non-obvious behaviour of the PC - K3s USB baud rate that might interest > others as well. > > > > The set-up is PC <a> USB <b> K3s <c> RS232 <d> P3 <e> (PC port of P3) > > <x> = connector/port > > > > Normally all baud rates are 38400 bd. > > The link <c> RS232 <d> is 38400 bd and cannot be changed. > > > > When changing the baud rate of the P3 (with P3 menu) the rate on <e> becomes > the selected rate (as expected), so 4800, 9600 or 19200 bd. > > However also the rate on <a> (USB) <b> is changed to this rate. > > > > So the P3 is always in control of the baud rate towards the PC, no matter > the connection towards the PC; via USB port on the K3s or via RS232/PC port > on the P3. > > However, when the P3 is switched off, the <a>USB<b> rate reverts to the > default setting of 38400 bd (of the K3s). > > > > I thought it worth mentioning, because this behaviour is not explained in ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
