Acer K138ST Series User Manual

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Acer K138ST Series User Manual Manual pdf 26 page image

16EnglishNote: "Saturation" and "Tint" functions are not supported under computermode or HDMI mode.ImageAdvanced Color TemperatureUse this function to choose CT1, CT2, CT3.DegammaEffects the representation of dark scenery. With greater gammavalue, dark scenery will look brighter.Projection 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.• Full: Resize image to fit full screen by width (1280 pixels) andheight (800 pixels).• 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. (±20 degrees) The Manual Keystone function is unavailable under AutoKeystone setting to "On".Sharpness Adjust the sharpness of the image.• Press to decrease the sharpness.• Press to increase the sharpness.