15EnglishUser ControlsInstallation menuThe installation menu provides an onscreen display (OSD) for projectorinstallation and maintenance. Use the OSD only when the message "No signalinput" is displayed on the screen.The menu options include settings and adjustments for screen size and distance,focus, keystone correction and more .1 Turn on the projector by pressing "Power" button on the control pad.2 Press the "MENU" button on the control pad to launch the OSD forprojector installation and maintenance.3 The background pattern acts as a guide to adjusting the calibration andalignment settings, such as screen size and distance, focus and more .4 The Installation menu includes the following options:•Projection Mode•Projection Location•Auto Keystone settings•Manual Keystone settings•Language settings•Reset to factory default functionUse the up and down arrow keys to select an option, the left and rightarrow keys to adjust selected option settings, and the right arrow key toenter a submenu for feature setting. The new settings will be savedautomatically upon exiting the menu.5 Push the menu button anytime to exit the menu and return to the Acerwelcome screen.