Using this Ross Carbonite 1 switcher is easy. First, connect the power supply included with the unit to ensure it gets the right power. Then, connect your input devices to the 18 available inputs. You can connect cameras, media players, etc. Next, connect your output devices like monitors or recorders to the 10 outputs. When using the Carbonite 1 - A panel, just use the controls to switch between different inputs and create the video effects you want. As for maintenance, keep the switcher in a clean and dry environment. Regularly check the connections to make sure they are secure. If you notice any issues, don't try to fix it yourself. Instead, contact professional technical support.