BenQ MP510 User's Manual - Page 25

To retract the foot, hold up the projector while pressing the quick-release button, then slowly lower the projector. Screw the rear adjuster foot in a reverse direction. If the screen and the projector are not perpendicular to each other, the projected picture becomes vertically trapezoidal. To correct this situation, adjust the value of Keystone in the Picture menu, on the projector control panel, or on the remote control. See "Correcting keystone" on page 25 for details. Correcting keystone Keystoning refers to the situation where the projected picture is noticeably wider at either the top or bottom. It occurs when the projector is not perpendicular to the screen. To correct this, besides adjusting the height of the projector, you will need to manually correct it following ONE of these steps. • Press / on the projector or remote control to display the status bar labelled Keystone, then press to correct keystoning at the top of the picture or press to correct keystoning at the bottom of the picture. • Press MENU on the projector or MENU on the remote control. Go to the Pro-Picture > Keystone menu and adjust the values by pressing Left/ Right on the projector or remote control until you are satisfied with the shape. For example, • Press on the projector or remote control. • Press Left on the projector or remote control when you are in the Keystone Pro-Picture > Keystone menu. 0 Keystone -6 • Press on the projector or remote control. Keystone • Press Right on the projector or remote control when you are in the Pro-Picture > Keystone menu. 0 Auto-adjusting the picture In some cases like with computer timings, you may need to optimize the picture quality. To do this, press AUTO on the projector or remote control. Within 3 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 lower right corner of the screen for 3 seconds. The screen will be blank while AUTO is functioning. Keystone +6 Operation 25