Using the DeWalt DCS565B circular saw is quite easy. First, make sure you have a compatible battery installed. If you want to adjust the cutting depth or bevel, you can do it without using any tools. Just use the adjustment levers provided. When you're ready to cut, hold the saw firmly, press the trigger, and start your cutting work. The bright LED will help you see clearly what you're cutting. Safety is important. Always wear appropriate safety gear like goggles and gloves. After you release the trigger, the electric brake will quickly stop the blade, but still be careful around it. To minimize dust, you can attach the optional dust chute. For maintenance, keep the saw clean after each use. Wipe off any dust or debris. Check the blade regularly for any signs of wear and replace it if necessary. Store the saw in a dry place using the built - in rafter hook for convenience.