Hi Phil, I routinely use my KAT500 at the end of a 100' LMR400 cable run with my IC7200 (my backyard and to go rig) using the TUNE button which has power fixed at 10W. Actually the measured tune power is more like 8 or 9W. So it's puzzling that your 10W from KX3 will not activate the tuner. Are you sure the KX3 is producing anything close to 10W? If I am not mistaken, with recent firmware changes, the KAT500 should tune all the way down to 5W.
AB2TC - Knut Phil Hystad-3 wrote > I have been experimenting with my KAT500 and the KX3. Although I do have > a K3 and KPA500 configured with the KAT500 using the switched arrangement > described by the KE7X KX3 book, the K3 is powered off and the KPA500 is in > standby mode during these experiments. > > Although the KAT500 user manual says that to start a tune cycle, at least > 10 watts needs to be provided. So, my KX3 is right on the border line and > from my experience in this setup, it DOES NOT initiate a tune cycle in the > KAT500. > > Has anyone else been successful in initiating tune cycles for the KAT500 > at 10 watts from the KX3. My method is to VFO to the desired frequency, > make sure that the KAT500 is switched to the right antenna, and then key > down for tuning. Note: I do not make use of the KX3 built in tuner (I am > assuming that I should not given I have a low SWR to the KAT500). > > > Also, given that my KAT500 is totally programmed across the bands for my > two antennas, will the KX3 provide enough power (at 10 watts or under) to > initiate the memory lookup for a tuned segment (I have programmed each 20 > KHz segment on 80 and higher frequency bands using my K3). Is 5 watts > supposed to be sufficient for locating the proper memory stored tuned LC > parameters? I have not found this to be so (but, here I am not positive > of the starting conditions and may need to do this test over, it was > getting late last night). > > Thanks for any help you can be. > > 73, phil, K7PEH > <snip> -- View this message in context: http://elecraft.365791.n2.nabble.com/KX3-and-KAT500-tp7589199p7589200.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:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

