The InFocus IN138HD offers keystone correction for picture alignment. Push the "Keystone" button within the handheld remote control or the projector and make use of the arrow buttons to adjust the keystone right until the impression seems rectangular and without distortion. four. This manual is available in the next languages: https://griffinvzxtp.blogsidea.com/34393485/manual-article-review-is-required-for-this-article