Using this Christie projector is easy. First, make sure you have connected it to the correct power supply. Then, insert the SD/HD - SDI input cards as needed to connect your media sources. When setting up, place it in a well - ventilated area in your large venue to avoid overheating. For maintenance, regularly check the lamp hours. When the lamp starts to dim, it might be time to replace it. Keep the projector clean by gently dusting it with a soft cloth. Avoid moving the projector while it's in use to prevent any internal damage.