Volume: media keys VS Roons slider/KBD shortcuts

Hi there. I noticed that when I use my keyboard’s media keys or anything redirecting to that (for instance, my mouse has programmable keys), volume is increased/decreased in 2 steps (say, from 6 to 8), but when I use Roon’s +/- buttons or it’s keyboard shortcut, it adjusts in 1 step at a time (from 6 to 7). Can I somehow force this for media keys? I’d like finer volume adjustment for low-volume listening scenarios (e.g.: when working)