22English ImageProjection Mode• Front: The factory default setting.• Rear: Reverses the image so you can project from behind atranslucent screen.Projection Location• Auto: Automatically adjusts projection location of image.• Desktop• Ceiling: Turns the image upside down for ceiling-mountedprojection.Aspect Ratio Use this function to choose your desired aspect ratio.• Auto: Keep the image with original width-higth ratio and maximize the image to fit native horizontal or vertical pixels.• 4:3: The image will be scaled to fit the screen and displayed usinga 4:3 ratio.• 16:9: The image will be scaled to fit the width of the screen andthe height adjusted to display the image using a 16:9 ratio.• L.Box: Keep original signal aspect ratio and zoom in by 1.333times.Auto Keystone Automatically adjusts vertical image.Manual Keystone Adjust image distortion caused by tilting projection. (±40 degrees) The Manual Keystone function is unavailable under AutoKeystone setting to "On".Sharpeness Adjusts the sharpness of the image.• Press to decrease the sharpness.• Press to increase the sharpness.H. Position(Horizontalposition)• Press to move the image left.• Press to move the image right.Downloaded From projector-manual.com Acer Manuals