ANSI LUMENS will be the mostly recognized market conventional brightness measurement. The ANSI lumen rating actions the brightest white that a projector can deliver by averaging nine mild meter measurements taken over the projected graphic. The InFocus IN138HD presents keystone correction for impression alignment. Press the "Keystone" button over the https://andywhjkl.get-blogging.com/28690435/the-definitive-guide-to-in138