48LED projector E-ManualInputThe options under this menu allow you to select the input source foryour LED projector.• Auto Source - This option allows you to turn Auto Source on oroff. Turn this option on to scan the connected devices to yourLED projector automatically.• Input Source - This option allows you to manual select theinput source to your LED projector.• Digital Zoom - This option allows you to zoom in, zoom out,and pan your projection onscreen.• 3D - Select this menu option to adjust 3D settings of yourprojection onscreen.• Background Color - Select this menu option to adjust thebackground color of your projection onscreen.