Using the DeWalt DCN660D1 is easy. First, charge the DCB203 20V 2.0Ah battery with the DCB112 charger. Once the battery is charged, insert it into the DCB660B 20V Finish Nailer. Load the 16 - gauge angled finish nails into the magazine. Choose between sequential mode for precise nail placement, like when you're doing detailed work, or bump mode for faster nailing when you're covering a large area. If you encounter a nail jam, use the tool - free jam release to quickly clear it. When adjusting the nail depth, you can do it without any tools to get the perfect countersink. For workspace illumination and to check the tool's status, use the multifunctional LED lights. Remember to keep the tool clean after use. Wipe it down with a dry cloth to remove dust and debris. Store it in a dry place. If you're not using the tool for a long time, remove the battery to extend its life. Always wear safety goggles when using the nailer to protect your eyes from flying debris.