Correct me if I am wrong but I think double tapping A>B button matches both receivers on everything except the NB and NR settings. To match the settings also you need to press and hold the A/B button.
Bob K6UJ On Feb 21, 2012, at 6:40 AM, Gary Ferdinand wrote: > Vince, > > I have a loaded K3. I use split frequently when working DX. Think of them > as two complete receivers, not merely two VFOs. While it is quite possible > to have totally independent and different settings, for that type of split > op I frequently match the two receivers in every respect by double-tapping > the A->B button. This transfers not only A's frequency, but also A's > settings (bandwidth, frequency, shift, etc.). After a period of adjustment, > I find that using the A,Ab audio split settings into my headset most > effective. I listen to A (the DX) in both ears, while I monitor my transmit > frequency (the subrx) on my right ear. Since when I use the Subrx I have > the settings copied from the main rx, I detect zero difference in quality. > Strength of sound is selectable. When the subrx is on, I have the AF Gain > control for the subrx set up to be a "balance" control, so I can vary the > relative audio volume of the two. I find I pretty much balance the two, and > let the A,Ab setting do the aural differentiation for me. I should quickly > note that my roofing filters and their configurations are also identical for > sub and main receivers. > > Both use ANT1 for Tx and Rx. It is VERY easy to inadvertently get the two > receivers on different antennas. Use b_set to verify the sub is actually > using the antenna you thought it was both for rx and tx. > > If you have low audio from the sub receiver (with all respect it is best to > think of that little knob as a receiver versus a VFO), I suggest you first > make certain you have done the double (or sometimes triple) tap of the A>B > button. If you have vastly different settings, perhaps inadvertently set, > between the two receivers, there can be quite a difference in sound and > performance. Once you are certain you've set the subrx to the setting of > the main rx (the double tap will respond with an A>B ALL message), then it's > time to verify what filter differences in physical configuration you have. > For example if you have only the 2.7 kHz filter in the subrx and a whole > array of filters in the main rx (or vice versa), the subrx will "sound" and > perform quite differently of course. Similarly, even with identical filters > in the two receivers, if the gain and/or offsets of the filters (as set best > in the K3 utility) are vastly different, and incorrectly so, so might be the > results. Also, the obvious but sometimes forgotten RF Gain control... make > sure the subrx's RF gain is similar to that of the main until you solve your > problem. > > If all this is ruled out as to why the two receivers sound vastly different, > try checking your audio settings. > > By HOLDING config you gain access to the configuration menu. Here are some > interesting settings. > > L-MIX-R : I set this to A,Ab as described above > SPKRS: This is for external speakers-read the info note on page 20 of your > K3 manual > SUB AF: I use this set to balance rather than normal, so I can more easily > adjust the relative volumes of the two receivers. > SQ: Make sure you don't have the subrx squelched. > Check out the troubleshooting section on page 65. It suggests checking > settings for AF GAIN (HI) and RX EQ settings in addition to the above. > > Configured properly and with identical filters the sub and main receivers > are identical in pretty much all respects other than the size of the knob. > ..and everyone says size doesn't matter ... ;-) > > HTH/73 > > Gary W2CS > > >> Might some reader who uses (1) K-3, (2) KAT-3, the ATU and (3) the KRX3, >> VFO-B (SUB receiver) tell me how well the second receiver does its job? >> >> Is the quality and strength of sound from VFO-B comparable to VFO-A when >> operating split? >> >> What EXACT settings do you use for receiving on ANT 1 via VFO-A and >> transmitting (up two!) using VFO-B for transmitting AND receiving in >> SPLIT...and using the same antenna. Not using AUX antenna? >> >> My FT1000d gives me essentially the same audio on the left channel as in >> the right channel in split. >> >> With my K3 I have very low audio from the SUB VFO-B. >> >> Am I expecting too much from the K3? Am I missing something in setting >> up the K3? >> >> Vince, W1IDL > > ______________________________________________________________ > 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 ______________________________________________________________ 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
