Amp knob/faceplate numbers?

I can't tell what number I'm on. My dad set it on his liking and I wanna change it to Randy rhoads settings to hear the tone and its Gain 7 Bass 7 Mids 7 Treble 10 Reverb 0 and my crate amp goes from 0 to 10 and the dots make no sense to me can someone fill me in? Thanks!!