To use this ZeeVee ZvPro810i HD Video Encoder, first connect it to the correct power supply using the provided adapter. Enter the username 'admin' and password 'admin' to log in. When using, make sure the environment is dry and well - ventilated. Avoid exposing it to direct sunlight or extreme temperatures. For maintenance, clean the device regularly with a soft, dry cloth. If you encounter any issues, don't try to disassemble it by yourself but contact the manufacturer's support team.