Don... Thanks for the information. I will check that out. I was told a long time ago by that elusive "someone" to keep the K3 linear that the ALC meter should just flicker. Obviously, that was bogus advice. I will check this out yet today.
Thanks Lee On Sun, Jul 17, 2016 at 8:19 AM, Don Wilhelm <donw...@embarqmail.com> wrote: > Lee (and others) > > It is normal for the power control circuits to be reset after a band > change. That prevents overshoot if you are driving an amplifier. > Normally the power will come up to the requested power level in a couple > dot times on CW, or several syllables when operating voice. > > If the problem is on voice or data, make sure you are driving the audio > sufficiently. If you are not driving the K3 audio hard enough, power > control will be "flaky". > > For Voice: With the compression set to zero, you should produce 5 to 7 > bars on the ALC meter. After adjusting the mic gain for that indication, > increase the compression as you choose - normally I would suggest > compression of less than 10dB. > > For RTTY, if you are using FSK D mode, the power control should be > automatic, but if you are using AFSK A (or other soundcard data modes), > then do check your audio drive - of course compression should be set to > zero, but the audio drive should drive the ALC meter to 4 bars solid with > the 5th bar flashing. > > Note that the K3 controls power differently than other transceivers. > Ignore the advice on the internet to show no ALC and adjust the power with > the audio level. > With the K3 (and K3S, KX3, KX2), the "ALC" meter is a combination "VU" > meter and ALC meter. The 1st 4 bars are there to help you adjust the audio > level. The onset of ALC is indicated by the 5th bar. So 4 bars solid and > 5th bar flickering is the "no ALC" point for the K3. > In data modes, adjust the power with the Power knob, not the audio level. > > 73, > Don W3FPR > > On 7/17/2016 8:38 AM, Leroy Buller wrote: > >> Operated RTTY NAQP this weekend. When changing bands, I noticed my power >> would drop to 40 watts or so. After several transmissions, it would rise >> to 100 watts. I don't think this is normal. All antennas are matched. >> Comments? >> >> >> > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
