21EnglishImageProjection• Front-Desktop: The factory default setting.• Front-Ceiling: When you select this function, theprojector inverts the image for ceiling-mountedprojection.• Rear-Desktop: When you select this function, theprojector reverses the image so that you can projectbehind a translucent screen.• Rear-Ceiling: When you select this function, theprojector reverses and inverts the image at same time.You can project from behind a translucent screen withceiling mounted projection.Aspect RatioUse this function to choose your desired aspect ratio.• Auto: Keeps the image with original width-height ratioand maximizes the image to fit native horizontal orvertical pixels.• Full (S1310W/T220/XS-W10/S1310WHn/S1313W/S1313WHn): The image will be displayed making full useof the horizontal and vertical pixels.• 4:3: The image will be scaled to fit the screen anddisplayed using a 4:3 ratio.• 16:9: The image will be scaled to fit the screen anddisplayed using a 16:9 ratio.• L.Box (S1310W/T220/XS-W10/S1310WHn/S1313W/S1313WHn): Keeps the original signal aspect ratio andzooms in by 1.333 times.KeystoneAdjusts image distortion caused by tilting projection (±40degrees).Downloaded From projector-manual.com Acer Manuals