OTHERS
VOLUME—Press 
and 
to decrease/increase the volume. MUTE—Allows you to mute the sound.
CUSTOMIZED SCREEN—Press Enter to pop up a Customized Screen menu. Input in a source at native resolution then press Enter and select "Yes". The projector will capture the screen image as a "My Customized logo". This screen replaces all the original screens with the Dell logo. User can recover the default screen by selecting Dell Logo on the pop-up screen.
MENU LOCK—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 Menu button on the projectors control panel for 15 seconds, then disable the function.
MENU TIMEOUT—Allows you to adjust the time for an OSD Timeout. By default, the OSD disappears after 30 seconds of non-activity.
MENU POSITION—Allows you to select the position of the OSD menu on the screen.
MENU TRANSPARENCY—Select to change the transparency level of the OSD background.