Using the DeWalt DCBL770X1 handheld blower is a breeze. First, make sure the 60V MAX* 3Ah battery is fully charged and properly inserted. Then, pick up the blower. You can use the variable - speed trigger to adjust the power according to the amount and type of debris. For stubborn debris, attach the concentrator nozzle. To lock the speed, just use the speed lock feature. When using it, keep a safe distance from people and objects to avoid injury or damage. After use, store the blower in a dry place. Clean the blower regularly to remove debris and dust. Also, check the battery and charger for any signs of damage. If you find any issues, don't use the blower and contact the manufacturer for help.