Basically, I was going through the settings of my freshly built OSD 4.2.4b. I enabled the simple HR alarm and set some sensible limits. Going back to the main screens, I noticed the HR in the Algorithms toggling between HR and ~~HR~~. https://github.com/OpenSeizureDetector/Android_Pebble_SD/assets/1045735/9cf392f9-5a70-4835-b29e-6d08c93fd969