Using this Shure ULXS14 wireless system is easy. First, connect the receiver to a power source using the included power supply. Then, attach the antennas to the receiver. Next, put the bodypack on and insert a compatible battery (not included). Turn on both the receiver and the bodypack. You're now ready to use the system. Remember to check your country's wireless frequency laws before using it to avoid any legal issues. To maintain your system, keep it clean and dry. Avoid exposing it to extreme temperatures and humidity. If you're not using it for a long time, store it in a cool, dry place.