Optoma H31 User Manual - Page 24

User Controls English SYSTEM Language English Bulb Source Lock On AutoShutdown Off Blanking Blue Brite Mode On High Altitude Off SYSTEM Language Displays a multilingual menu. Use and to select your preferred language. Bulb 4 Lamp Hours: Displays the cumulative lamp operating time. 4 Lamp Reminding: Choose this function to show or hide the warning message when the lamp replacement message is displayed. The message will show up when the lamp reaches 1500 hours. 4Lamp Hour Reset: Reset the lamp setting only when the new lamp is replaced. Source Lock When turned off, the projector will search for other signals if the current input signal is lost. When turned on, it will continue to search for the "lost signal" after "Source" is pressed. Auto Shutdown Decide the time interval to shutdown the system if there is no signal input. Select "On" to turn the projector off automatically. Blanking Use this feature to display a black or blue screen when no signal is available. Brite Mode Choose "On" to increase light output. Choose "Off" to return normal mode. High Altitude Choose "On" to turn on High Altitude mode operates the fans at full speed continuously to allow for proper high altitude cooling of the projector. 24