23 ... EnglishECO ModeChoose “On” to dim the projector lamp which will lower powerconsumption, extend the lamp life and reduce noise. Choose”Off” to return normal mode.Menu LocationChoose the Menu location on the display screen.Projection4 Front-DesktopThe factory default setting.4 Rear-DesktopWhen you select this function, the projector reverses theimage so you can project behind a translucent screen.4 Front-CeilingWhen you select this function, the projector turns the imageupside down for ceiling-mounted projection.4 Rear-CeilingWhen you select this function, the projector reverses andturns the image upside down at same time. You can projectfrom behind a translucent screen with ceiling mountedprojection.ManagementUser Controls