Using this Vaddio camera control console is straightforward. First, make sure to connect it to an appropriate power source as it doesn't include a power supply. Once powered, you can start controlling your cameras easily. As for the loose screw inside, don't worry about it as it won't affect how the console works. For maintenance, keep the console in a dry and clean place. Regularly check the connections to ensure they are secure. If you have any further questions, feel free to reach out.