Howie, I may be able to make the control more responsive. Meanwhile, you might experiment with the NORM function as a means of switching between two different width settings. Holding NORM will alternate between the default (400 Hz in CW mode) and a "floating" setting that you establish.
73, Wayne N6KR On Sep 24, 2012, at 8:29 AM, Howard Hoyt wrote: > I have been twisting the KX3's PBT I/II knob madly in an attempt to > change BW or CF rapidly, but in reality when I turn it more slowly the > function actually changes more rapidly. Two possible explanations are > either the encoder pulse rate exceeding the I/O refresh rate, or the > speed with which the filter DSP can reconfigure. > > I would love to be able to change CF and BW more rapidly, being > spoiled > by the instantaneous response of my old Drake R-4B's analog IF > parametric filter. If the speed limitation with the KX3 is indeed a > refresh issue, is there a way to increase the I/O refresh rate for the > PBT encoder to allow for faster filter change via the knob? Of course, > if it is a DSP horsepower issue, it is what it is. > > The overall performance of the KX3's receiver is so far superior to > the > R-4B, I don't want to use the R-4B much any more (well for that reason > plus tube, old capacitors, size, power requirements and other issues, > but that is another story). > > Howie - WA4PSC > > > ______________________________________________________________ > 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 ______________________________________________________________ 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
