2021-11-8 · Conveyor Motor ON/OFF Buttons: Push to start/stop. conveyor motor. C. Conveyor Speed Control: Turn to set con-veyor belt speed between 0–10 (0–60 RPM). D. Load. Meter. Displays : total . amp draw of sanding motor. E. Emergency Stop Button: Stops motors. when pressed and disables ON buttons. Remains in depressed position until manually reset.