Sorry, I should have been a little clearer -- it seems you are providing insufficient *audio* drive to the K3.
73, Matt VK2ACL On 02/10/2012, at 5:43 AM, Matt Maguire <[email protected]> wrote: > For problem 2, it sounds like you are providing insufficient drive to the K3, > and this causes "power creep" as the K3 tries to compensate. > > What does your ALC meter read? It should have 4 steady bars with the fifth > bar flickering. Then, you can set the desired output power level with the > power level control. > > 73, Matt VK2ACL > > > > On 02/10/2012, at 5:09 AM, "Joe K2UF" <[email protected]> wrote: > >> I had the following two problems during the RTTY contest this past weekend. >> >> >> >> 1.- I had to reset the mode from FSK D to AFSK A many times. Usually when >> I changed bands or a large change in frequency within the same band. When I >> get to the top of the band and want to go back to the bottom of the band I >> would type the frequency in N1MM. Radio would QSY to the new frequency but >> the mode would revert back to FSK D. This would not happen every time but >> quite often. >> >> >> >> 2.- Using the K3 / KPA500 setup with N1MM running on a Win XP desktop pc >> with a soundMAX sound card. The K3 running about 25 watts and the LINE IN >> level set at 10 the KPA500 power out would start at about 60 to 70 watts. >> Each time I would call/work someone the power out on the KPA500 would >> increase. After 8 or 10 calls/Qs the power would be up to 400 to 500 watts. >> If I changed the power level on the K3 down 1 watt and then back up 1 watt >> the process would start all over again. I do not have the same problem on >> CW. I have not used the amp in a CW contest yet, but I have worked several >> DXpeditions/DX stations sometimes calling for over an hour. The amp output >> would stay where it was set. >> >> >> >> I have looked over the K3 manual and could not find any hints about problem >> 1. Problem 2 is a real puzzler. >> >> >> >> Anyone have any ideas? >> >> >> >> Thanks Joe K2UF >> >> >> >> >> >> >> >> No trees were harmed in the sending of this e-mail; however, many electrons >> were inconvenienced. >> >> >> >> ______________________________________________________________ >> 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
