Using the Panasonic AJ - RC10G remote control unit is quite simple. First, make sure your camcorder (AJ - HPX3700, AJ - HPX2700, AJ - HPX3000, AJ - HPX200, AG - HPX500 P2 or DVCPRO AJ - HDX900) is turned on. Then, pair the remote with the camcorder according to the camcorder's instructions. Once paired, you can use the buttons on the remote to start, stop recording, and perform other basic functions. As for maintenance, keep the remote clean by using a dry cloth to wipe it regularly. Avoid exposing it to extreme temperatures and moisture. If the remote stops working properly, check the batteries and replace them if needed.