Use Q+R+E to reset to level 1. Press and hold F to see your splits. Right now, the splits loaded in are the splits from my 100% PB as of the time I'm writing this, but you can change them by seeing inside and changing the "your splits" list
I am literally stealing programminguy's thing, but making it my own project so I don't have to keep changing the splits. Sharing it because I need turbowarp.