Using this Panasonic WV - BM 500 video monitor is easy. First, connect it to a 220 - 240V AC 50Hz power source. Then, connect your video device to the monitor using the appropriate cables. You'll be able to enjoy high - quality video thanks to its great resolution. When using it, make sure the ambient temperature is between - 10°C and +50°C and the humidity is less than 90% to avoid any malfunctions. For maintenance, keep the monitor clean by gently wiping it with a soft, dry cloth. Avoid using harsh chemicals. If you notice any issues, like a change in picture quality, check the connections first. This monitor has been tested and is fully functional, but if you have any problems, you may need to consult a professional technician.