Using the Eiki EK-308U projector is easy. First, connect your device to the projector using the available input terminals. You can choose from analogue or digital signals depending on your device. Then, set up the projector in your desired location. Thanks to its flexible installation features, you can adjust it using H/V & Corner Keystone and H/V Lens Shift to get the perfect image on the screen. When it comes to maintenance, check the electrostatic filter regularly. It's side - accessed, so it's easy to clean or replace. The lamp is top - accessed, which means you can change it without much hassle. Just make sure to turn off the projector and let it cool down before you do any maintenance work. Also, keep the projector in a well - ventilated area to avoid overheating. That's all you need to know to enjoy your Eiki EK-308U projector.