ViewSonic PA505W PA505W User Guide English - Page 31
Adjusting the projected image, Auto-adjusting the image
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Adjusting the projected image Adjusting the projection angle The projector is equipped with two adjuster foot. It changes the image height and vertical projection angle. Screw the adjuster foot to fine tune the angle until the image is positioned where you want it. If the projector is not placed on a flat surface or the screen and the projector are not perpendicular to each other, the projected image becomes trapezoidal. To correct this situation, see "Correcting keystone" on page 27 for details. Do not look into the lens while the lamp is on. The strong light from the lamp may cause damage to your eyes. Auto-adjusting the image In some cases, you may need to optimize the picture quality. To do this, press Auto Sync on the remote control. Within 5 seconds, the built-in Intelligent Auto Adjustment function will re-adjust the values of Frequency and Clock to provide the best picture quality. The current source information will be displayed in the upper left corner of the screen for 3 seconds. The screen will be blank while auto adjustment is functioning. This function is only available when PC D-Sub input signal (analog RGB) is selected. 26