Using the Panasonic AW - HS50 is easy. First, connect your video sources to the switcher. Since it doesn't have a power supply, you'll need to use your own compatible one to power it up. Then, you can start switching between different video feeds. When using it, avoid exposing it to extreme temperatures or humidity. For maintenance, keep it clean by gently wiping the exterior with a soft cloth. If there are any issues, don't try to open it yourself but contact Panasonic's customer service.