Using the Sony HXC - D70 studio camera is quite straightforward. First, you need to connect it to an appropriate power source as it doesn't have an external power supply or battery included. You'll also need to attach a viewfinder if you want to see what you're shooting. When using it, make sure to handle it gently as it's a precision device. As for maintenance, keep it clean by using a soft, dry cloth to wipe the body. Avoid exposing it to extreme temperatures and humidity. Since it doesn't track hours, there's no need to worry about that data, but do regular checks to ensure it's working properly.