Been a longtime user of SGP, great product. Tonight I just downloaded the latest 2.4 version and was giving it a try. For some reason my autofocus no longer works using HFR, it just returns zeros as the autofocus runs, for now I am using pinpoint to fall back on using FWHM and it is working well. The HFR button no longer works to measure the subs as they come in also. This has always worked great for me, I am sure I am missing something but I am not sure what.