Dick: You gave us the version of the K3 Utility. What version of firmware is in the K3. You will need to have the K3 Utility on and the K3 on with the pc connected to the K3. It should then show up in the tab for "firmware" below the section labeled Firmware version. Click on "Check Versions Now" If you see dashes in "Installed.. " column your PC is not talking to the K3. If much lower than 3.xx it is way out of date. Present version is 3.68. Click on "Send all Firmware to K3" if the K3 utility shows less than 3.68 installed.
You can also determine the version of the K3 Firmware by holding down the "MENU" button (CONFIG) on the K3 and selecting FW REVS with the "B" VFO knob. You may need to also rotate the "A" VFO knob to select uC so that it shows the main microprocessor FW version. KE0X RLVZ wrote: > > Hi Guys, > > I'd appreciate your thoughts as to why my K-3 receiver is so noisy. I'd > really like to make this radio perform. The radio is Serial #603F > (factory > model) running 1.2.10.27. I purchased the unit from the original owner a > couple of months ago so I don't know if it's always been this noisy but I > do > know it was the same before I recently updated software to 1.2.10.27. > The > radio is in immaculate condition and was never used mobile or bounced > around. > (it's a beautiful radio that looks like new!) > > I say the receiver is noisy based upon listening to dozens of different > signals on: 40/20/15 m. and by doing numerous A/B comparison tests. The > comparison tests were done with the K-3 Pre-Amp turned Off. (and tried > with ATT > on and off but mostly on to reduce noise). > > Radio 1: Yaesu FT-1000-MP w/AF Mod. A signal is peaking S-8 and with the > no signal noise level is averaging S-1. Therefore, the signal is peaking > aprx. 7 s-units above the noise based upon the MP s-meter and the signal > sounds > loud and is way above the noise level. Now I switch to the K-3: > > Radio 2: K-3 tuned to the same signal with PreAmp Off and is peaking S-7 > but the no signal noise level is noisy S-4 to S-5. Therefore, the signal > is > peaking only about 2 or 3 s-units above the noise level based upon the K-3 > s-meter. The result is that the MP has aprx. a 4 s-unit S/N ratio > advantage. > > > Thoughts: I realize that all s-meters read differently and the fact that > the MP s-meter shows a 4 s-unit stronger signal above the noise level > doesn't > mean alot. But the fact is that the signal on the MP sounds MUCH louder > with alot more headroom above the noise level. The K-3 receiver sounds so > noisy even with the S-7 signal that it isn't enjoyable listening to and > that's > why I ran the comparisons because I couldn't stand all the noise. > Switching > on the K-3's NR, ATT, and/or adjusting the RF Gain does help some but the > signal still sounds noisy compared to the MP. > > Based upon "Reviews" of the K-3 I believe that I must have an unusual "K-3 > noisy receiver" problem. > > I'd sure appreciate your ideas on how I can get a better S/N ratio on my > K-3. > > Thanks! > > 73, > Dick- K9OM > > ______________________________________________________________ > 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 > > -- View this message in context: http://n2.nabble.com/Noisy-K-3-Receiver-tp4173832p4177370.html Sent from the Elecraft mailing list archive at Nabble.com. ______________________________________________________________ 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
