Doesn´t seem to be a fix. My K3 is just about the same. Jim SM2EKM -------------- Juha Kasari wrote: > Thanks, > > Ok, so it is feature! > > Yes I have adjust MIC and CMP just like manual, not effect. So there is no > solution to problem. > > juha > > > 2010/3/28 Dave, G4AON <[email protected]> > >> Juha this "problem" is an old one. Some time back the K3 had poor ALC which >> allowed for overshoot on peaks, the firmware was altered to soften the ALC >> control with the results you (and the rest of us) experience. The power can >> slowly increase over the first few seconds on SSB, the effect is less if you >> "TUNE" first via the front panel button. Also, have you checked that you are >> driving the ALC meter reasonably well, as per the manual? >> >> For comparison, my TS-480SAT is also quite soft on ALC control with the >> peak power seeming to vary from one moment to the next. With some previous >> radios I recall seeing the peaks on an oscilloscope looking like a trimmed >> hedge, which is liable to create excessive IMD. >> >> I use an LP-100 peak reading power meter and the K3 is similar in it's >> peaks compared to my TS-480 with the same linear (Acom 1000). I don't think >> it's anything to worry about. >> >> 73 Dave, G4AON >> K3/100 #80 f/w 3.79 >> ----------------------------- >> >> >> I have K3 #2100. On CW power is very stable, but not on SSB. There is some >> change on output power, it is not constant. >>
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