Hi @BKDad, yes, correct. The QA401 software is called “QA Analyzer”
Hi @Moto, the 1.183 software is up and extends the notch gain parameter limits up to 30 dB. There are also some new measurements for those using a notch, and make it really fast and easy to get THD, THDN, SNR and Dynamic Range when using a notch. There’s a small tutorial at the link below.