Using the DeWalt DCBL770B handheld blower is a breeze. First, make sure you're wearing safety glasses and gloves. Then, hold the blower firmly by its ergonomic handle. You can adjust the speed using the variable speed trigger and lock it at your preferred setting. For normal debris, the standard air flow is enough. But when you encounter stubborn debris, attach the concentrator nozzle to increase the air speed. When you're done using it, store it in a dry place. Keep the motor clean and check the power connections regularly. Remember, this blower is designed for heavy - duty use, but always follow the safety instructions. If you have any issues, you can rely on the 3 - year limited warranty, 1 - year free service contract, and 90 - day money - back guarantee provided by the manufacturer.