Using Your Projector 31OTHERSVOLUME —Press and to decrease/increase the volume.M UTE—Allows you to mute the sound.C USTOMIZED SCREEN —Press Enter to pop up a Customized Screen menu.Input in a source at native resolution then press Enter and select "Yes". Theprojector will capture the screen image as a "My Customized logo". Thisscreen replaces all the original screens with the Dell logo. User can recoverthe default screen by selecting Dell Logo on the pop-up screen.M ENU L OCK —Select On to enable Menu Lock and hide the OSD menu.Select OFF to disable the Menu Lock and display the OSD menu.NOTE: If the OSD disappears while you disable Menu Lock, press the Menubutton on the projectors control panel for 15 seconds, then disable the function.M ENU TIMEOUT —Allows you to adjust the time for an OSD Timeout. Bydefault, the OSD disappears after 30 seconds of non-activity.M ENU POSITION —Allows you to select the position of the OSD menu on thescreen.M ENU TRANSPARENCY —Select to change the transparency level of the OSDbackground.http://www.pureglare.com.au