More tests... My previous report was with the sidetone set to 600 Hz. I set my sidetone pitch to 670 and the point at which the APF returns to normal moved up to .27 (270 hz). I now hear the same "boop" as Nate reports and a return to normal . 73, Ken K3IU ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ On 11/6/2010 9:36 AM, Ken K3IU wrote: > After someone else noted that turning the APD Shift CCW it > returned to normal ops when reaching 0.27. I just tested > here and after turning to APF 1.00 and activating the > pops/cracks, turning the APF Shift CCW until it reaches APF > 0.20 and returns the APF to normal ops w/o the pops/cracks. > 73, > Ken K3IU > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > On 11/6/2010 8:37 AM, Ken K3IU wrote: >> K3 #202, MCU 4.18, et al. >> Similar experience here. Everything normal until I rotate >> the APF Shift CW and it reaches 1.00 the loud pops/cracks >> begin when rotating both the "Shift" and "Width" knobs. >> Rotation of the APF Shift knob now changes the display >> numbers (APF 0.xx), but the Rx is very quiet... both >> speakers and earphones. Powering K3 OFF/ON returns the K3 >> to normal operations. When I cycle back to APF Off (Preset >> II on my K3), Rx works normally with sound in both >> speakers and earphones. The first time I switched back to >> Preset I (APF On) the Rx worked as it should. >> Subsequently, switching back to Preset I produces a quiet >> Rx with only the popping when the APF Shift or Width being >> rotated. >> >> 73, >> Ken K3IU >> >> On 11/6/2010 7:46 AM, Len, K3LJ wrote: >>> Gentlemen, thanks for adding the APF to the K3 and the quick response to the >>> bug that some operators were experiencing. The APF works great. I did find >>> that while adjusting it when I got to APF 1.0 I heard a click in my >>> headphones that I am using and as I tried rotating the shift control counter >>> clockwise or clockwise that I could here the APF "stepping" but there was no >>> visible indication on the display of it or any receiver audio heard. Just >>> the clicks as I turned the shift control. Turning off the rig and turning it >>> back on brought everything back to normal. >>> >>> 73, Len K3LJ > ______________________________________________________________ > 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
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