6English ...User ControlsECO ModeChoose “On” to dim the projector lamp which will lower powerconsumption, extend the lamp life and reduce noise. Choose ”Off”to return normal mode.Auto Shutdown(Minutes)The projector will auto shutdown while there is no signal input afterthe setting time.Source LockWhen source lock is turned off, the projector will search for othersignals if the current input signal is lost. When source lock is turnedon, it will “Lock” the current source channel before you press“Source” button on remote control for next channel.Menu LocationChoose the Menu location on the display screen.Startup ScreenUse this function to select your desired startup screen. If you changethe setting from one to another, when you exit the OSD menu, thenew setting will take effect. Acer : The default startup screen of Acer projector. User : The user customized startup screen, which is down loadedfrom PC to projector via the USB cable and Acer eOpeningManagement utility (refer to the description of belowsection).Management(Computer / VideoMode)