Acer PH110 User Guide - Page 21
Image, Computer Mode
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User Controls Image (Computer Mode) Keystone Adjust image distortion caused by tilting projection. ( 15 degrees) Aspect Ratio Use this function to choose your desired aspect ratio. 16:9 : The input source will be scaled to fit the width of the screen. 4:3 : The input source will be scaled to fit the projection screen. Crop : A 4:3 aspect ratio picture is enlarged and the upper and lower portions of the picture are cropped to fit the 16:9 screen. L. Box : The input source will be scaled to fit the letterbox presentation. H.Position (Horizontal Position) Press the to move the image left. Press the to move the image right. V. Position (Vertical Position) Press the to move the image down. Press the to move the image up. Frequency "Frequency"changes the display data frequency to match the frequency of your computer's graphic card. If you experience a vertical flickering bar, use this function to make an adjustment. Tracking "Tracking" synchronizes the signal timing of the display with the graphic card. If you experience an unstable or flickering image, use this function to correct it. 21 ... English