The info is in your manual. As you can see, it is designed to auto-detect the LiPo cells you are running by default. Worryingly, it is setup by default to cutoff at 3.0v/ cell, and only goes up to 3.4v/cell. I would DEFINITELY change the low voltage cutoff to 3.4v/cell. And look... they allow...
So that's why my ex never hugged me 😜
I don't have the RTR Ryft, but there should be something in the manual showing the ESC settings. Though Spektrum ESC's leave a lot to be desired in ESC settings.