Hi Ken, It only happens when running digital mode FT8. And it doesn’t happen all the time when running digital mode. Ken I’ll send the video I made. I just looked at it and it has an *.
Thanks, Fred 248-613-4086 Sent from my iPhone > On Jul 1, 2019, at 9:22 PM, Ken Winterling <[email protected]> wrote: > > Fred, > > Does this condition also happen on SSB, RTTY, CW or only while running > digital mode? > > Is it possible the PTT/key line is being dropped? When the power drops is > there an asterisk (*) on the left side of the KPA500 display? An asterisk > will appear on the left side of the LCD display if there is a valid PA > KEY/PTT signal is being received from the transceiver. If there is no > asterisk the amp isn't receiving a valid PA KEY/PTT signal from the > transceiver. If there is an underscore instead of an asterisk it means that > the amplifier keying is being inhibited by a low signal on pin 11 of the AUX > connector. > > Ken > WA2LBI > > > > > >> On Mon, Jul 1, 2019 at 9:06 PM Fred <[email protected]> wrote: >> Hi, >> >> I have a K3, P3, KPA500, KAT500 and a SignaLink for sound. Sometimes when >> I transmit on FT8 running full power on the KPA500, the KPA500 will click >> on/off. The power doesn't turn on/off, it seems like a relay inside. The >> power meter will go to about 500 watts, then down to 0, then to abut 500 >> watts...and down to 0 maybe once a second. I have a short video I can send >> if someone would like to see it. When I bypass the KPA500 and use 50 watts >> or so just on the K3, no issues. >> >> Please let me know if you have any questions. >> >> 73, Fred >> >> KD8ZYD >> -- >> Thanks, >> >> Fred >> ______________________________________________________________ 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]
