Using this Boland d150b video monitor is easy. First, connect the correct power supply to the monitor. Once it's powered on, you can start using it to view your desired content. When not in use, turn off the monitor to save energy. Keep the monitor in a clean and dry place. Avoid exposing it to direct sunlight or extreme temperatures. If the screen gets dirty, use a soft, dry cloth to gently wipe it. Do not use harsh chemicals or abrasive materials, as they may damage the screen.