To remove the battery cartridge, slide it from the tool
while sliding the button on the front of the cartridge. To install the battery cartridge. Insert it all the way until it locks in place with a little click. To start the tool, simply pull the switch trigger. Release the switch trigger to stop. Pull the switch trigger to light up the lamp. This tool has a reversing switch to change the direction
of rotation. Depress the reversing switch lever from the A side for clockwise rotation or from the B side for counterclockwise rotation. Tool speed is increased by increasing pressure on the switch trigger. Select the “2” side for high speed or “1” for low speed but high torque. The fastening torque can be adjusted in 20 levels by turning the adjusting ring. Turn the sleeve counterclockwise to open the chuck
jaws. Place the driver bit/drill bit in the chuck.Turn the sleeve clockwise to tighten the chuck.