Optoma H57 User Manual - Page 27

English Computer/Video Mode Image - I Language Image - II Management Image - III PIP Menu location Projection Lamp Press OK to adjust Source lock On Off User Controls Management 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 start-up screen. See "Replacing the Lamp" for more details. 4 Lamp Hours: Display the cumulative lamp operating time. 4 Lamp Reset: Reset the lamp life hour after replacing a new lamp. 4 Brite Mode: Choose "On" to increase the brightness and re duce the contrast ratio. Choose "Off" to return normal mode. 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 will search specified connection port. 27