The '- -' display usually happens when there is not enough power to tune and generate a proper SWR.
73, Eric --- www.elecraft.com On 10/17/2011 4:23 PM, Don Wilhelm wrote: > Shane, > > I believe the "- -" display means that the KAT3 is not being properly > recognized as being installed. That fact alone may complicate the > results of your other observations. > > You may not be able to TUNE the dummy load to 1:1 SWR - the tuning > mechanism may quit tuning if the SWR is below 1.3 or 1.2 (although it > usually will tune to 1.0). If you want TO ASSURE 1:1 results, you will > have to bypass the KAT3 rather than TUNing intp the dummy load. > > If your TX Gain calibration data is not being remembered, that is a > different problem, and should be addressed to k3supp...@elecraft.com. > It does seem that is your problem source. > > 73, > Don W3FPR > > On 10/17/2011 5:56 PM, Shane DeSeranno wrote: >> Hello everyone, >> >> I’m a newer K3 owner and I’m loving the heck out of the device, but recently >> I noticed a strange problem. It started behaving as though my MIC wasn’t >> working correctly. >> >> [All tests from this point out will be into a DUMMY LOAD that is rated up to >> 300W.] >> >> I would notice that if I used 100W and tried to send, the power draw was >> never more than 4 amps, and the RF display wouldn’t go above 5 or 10W. >> After some troubleshooting, I ‘recalibrated’ the TX gain, and this fixed >> it... until I leave and come back later. Then I’m required to recalibrate >> the TX gain. I know this isn’t the expected behavior, so I suspect >> something is amiss. >> >> Another problem that has cropped up at the same time (and is likely related) >> is my ATU inability to tune correctly. I should be able to “tune” the dummy >> load 1:1 on all bands (except maybe 10m and 6m), but when I try to tune, I >> hear the relays click, but after a short wait the K3 beeps and displays “- >> -“. I’m guessing this is because the TX gain calibration is wacky and thus >> the ATU ability to read the SWR might be out of whack. >> >> All this said, I’m really stumped and was hoping for suggestions and ideas? >> I have tried reloading settings from when my device was first brought >> online, but that didn’t have any effect. ______________________________________________________________ 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
