Tune Bot and tuning the Snare resonate head. One important thing I forgot to mention about the filter button is if you hold it down it will go into High-Range mode. All it does is show frequencies above 400hz up to 450hz. High-Range isn't a filter, but you can press filter again to filter in higher ranges. It does not take a whole lot of tention to get up to the 300hz range, so don't keep cranking it if the Tune Bot says it's low. It's not low. Note that the Tune-Bot is a super helpful tool, but

Tune-Bot Drum Tuner Review: Everything You Need To Know