Check this article for more details.https://www.fi-sz.com/What-is-difference-between-0-10v-dimming-trac-dimming-PWM-dimming-and-dali-dimming-id3913578.html
0 - 10V is dimming from 0 to 100%. when 0%, lighting is on but dark 0 - 10V is dimming from 10% to 100%, less than 10% lihting, you can see Faint light. Lighting will use different to work, users will use different dimmers to control.