Search the official Epson Support website for: "Epson EB-H842B User's Guide" (PDF). If that exact number isn't found, search for "Epson EB- **** series"** (e.g., EB-835W, EB-845, EB-855B) as the H842B is often a regional variant of the Pro L-series or high-end EB series.
Place the projector between 3.5 to 30 feet away from the screen or wall, depending on your desired image size. epson h842b projector manual
Epson H842B projector manual, Epson H842B user guide, Epson H842B PDF, lamp replacement, troubleshooting, Epson support, keystone correction, projector setup. Search the official Epson Support website for: "Epson
Manages keystone correction, volume levels, and custom user button assignments. Epson H842B user guide