Using the Wohler Technologies Touch - It Plus Dual High - Resolution LCD Video Monitor is a breeze. First, connect it to the appropriate power source using the included correct power supply. Once it's powered on, you can start using it to monitor video. When setting it up, make sure the cables are securely plugged in. As for maintenance, keep the monitor clean by gently wiping the screen with a soft, dry cloth. Avoid using harsh chemicals as they can damage the display. Also, place the monitor in a well - ventilated area to prevent overheating. If you experience any issues, check the power connection and cables first.