1. The LED screen will show the battery level, speed (KRPM), F/R status, and faulty alarm (if any).
2. After connecting the handpiece to the E-File machine, turn on the rotary knob. A “click” sound will indicate the E-File machine has turned ON, with the LED screen lit up.
3. The speed is adjustable by turning the rotary knob left or right (Speed range: 0-35,000rpm).
4. To pause the speed, press the rotary knob one time. The LED screen will indicate a “P” for pause. Press the rotary knob again to resume speed.
5. The direction of the drill bit can be changed by pressing the Forward/Reverse hexagon button on top.
6. Do not twist the spindle on the handpiece to the left while the machine is operating, as this action will cause the machine to stop and trigger an error message on the LED screen within 5 seconds.
7. The LED battery indicator will flash when the battery levels are low.
8. When inserting a larger grinding bit, leave a bit of gap between the grinding bit and handpiece to avoid the handpiece running under resistance.
9. The Aprés E-File machine has a smart protection system with a built-in faulty alarm.