That's a great feature; can't wait to try this out at home. I've been deafened more than once by accidentally turning off the AGC!
Thanks Wayne and crew. James K2QI On Tue, Dec 8, 2009 at 2:09 PM, Wayne Burdick <n...@elecraft.com> wrote: > K3 beta-test firmware revision 3.66 (with DSP rev. 2.48) is now > available. > > AF Output Protection: The DSP now senses when AF output would be so > strong as to drive the speaker or headphone amplifier into the > clipping range. If this happens, AF is muted until you reduce signal > levels, protecting your ears (and transducers). > > Normally, this will only happen if you turn off AGC while an extremely > strong signal is present. If you hear the receiver mute under these > circumstances, simply reduce gain by some means (back down RF GAIN, > turn off the preamp, turn on the attenuator, or turn AGC ON). > > Another possible source of excessive audio is a DSP numeric overrange. > DSP code has been changed to eliminate such cases, and we've had over > 100 K3 users field-testing this new code with no reported AF > anomalies. But the new AF output protection is always in effect, so it > acts as a backup. > > Please send any questions to k3supp...@elecraft.com. For instructions > on how to load beta firmware, see: > > http://www.elecraft.com/K3/k3_software.htm > > 73, > Wayne > N6KR > > ______________________________________________________________ > 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 > -- 73 de James K2QI ______________________________________________________________ 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
