Thanks Lyle - I appreciate the reply. 73, Dave W8FGU
Lyle Johnson wrote: >> ...I made a contact in WA and OR on 30 watts so I >> think it works OK. I spent yesterday getting everything setup and trying >> to get a grasp on DM780. After playing around for awhile, I got >> comfortable enough to try it out today. >> >> During the setup though, I read on Elecraft's site and on the reflector >> to set the line input level to obtain 4-7 ALC bars. > > 4 to 5 bars, I think. > >> In reading about >> PSK31 elsewhere and including the HRD site, they all mention not to use >> any ALC or Compression. My guess is that we are not actually using the >> K3's ALC in this manner, but wondered if anyone could tell me what the >> K3 is really doing? > > The K3 meter from 0 to 5 bars of "ALC" is really showing you the input > audio level. It is only after 5 bars of ALC that the mic audio system > begins to do any fast attack, slow decay gain control. > > Traditional ALC indicators usually show compression occurring at RF, > with attendant distortion and splatter. Hence, our very specific > instruction for the K3. > >> ...If I set my line input level for 5 ALC bars and set my power to 30 >> watts, I'm seeing peak readings around 30 watts with my LP100 meter. Is >> that how it is supposed to work? > > Yes! > > 73, > > Lyle KK7P > ______________________________________________________________ > 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
