Using the DeWalt DCF630B drywall screwgun is easy. First, choose the appropriate mode from the four available ones depending on your task. You can switch between modes quickly with one hand using the top - mounted mode select. If you're working on lighter materials, use the low - speed setting; for heavier ones, go for the high - speed setting. The adjustable nosecone helps you set the screw depth consistently. When using it, make sure to hold the tool firmly with your thumb and forefinger on the wide upper grip flange to ensure stability. For safety, always wear proper protective gear like safety glasses. When not in use, keep the tool in a dry place. If you want to use the Tool Connect™ feature, install the Tool Connect™ Chip DCE042 (sold separately) into the chip pocket and connect it with the Tool Connect™ Site Manager app on your device for easy asset management on the jobsite. Also, regularly check the screwgun for any signs of damage or wear, and clean it after each use to keep it in good condition.