Optoma H78DC3 User Manual - Page 23

User Controls English System Language English Bulb Source Lock On Auto Shutdown On Blanking Blue Eco Mode Off Color Space Auto SYSTEM Language Display a multilingual menu. Use and to select your preferred language. Bulb 4 Lamp Hour: Display the cumulative lamp operating time. 4 Lamp Reminding: Select this function to show or hide the warning message when the lamp replacing reminder message is displayed. The message will show up when the lamp reaches 1500 hours at normal mode. 4 Lamp Hour Reset: Reset the lamp life hour after replacing a new lamp. Source Lock When source lock is turned off, the projector will search for other signals if the current input signal is lost. When source lock is turned on, it willl continue to search for the "lost signal" after "Source " is pressed. Auto Shutdown Determine the time interval to shutdown the system if there is no signal input. Select "On" in the Auto Shutdown menu to turn the projector off automatically. Blanking Use this feature to display a black or blue screen when there is no signal is available. Eco Mode This is also known as "Economy Mode." Selecting "On" decreases the fan noise from the projector as well as enhancing the black level and reducing the brightness. You may find this is the best mode for watching movies. Color Space Select an appropriate color matrix type from Auto, RGB or YUV (YPbPr). 24