"Sounds trivial to me. You must have *some* switch closure or logic signal that activates the PA. Lock out all tuner adjustments when the PA is on."
Or conversely, disable the amp before tuning starts. That's the way my MFJ-998 autotuner works. The amp-enable signal goes thru the MFJ-998. So when the tuner wants to tuen, the first thing it does is interrupt the amp-key line. Phil - AD5X ______________________________________________________________ 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
