BenQ BenQ HC1200 sRGB DLP Projector User Manual - Page 54

Lamp information Getting to know the lamp hour When the projector is in operation, the duration (in hours) of lamp usage is automatically calculated by the built-in timer. The method of calculating the equivalent lamp hour is as follows: See "Setting Lamp mode as Economic or SmartEco" below for more information on Economic mode. To obtain the lamp hour information: 1. Press MENU/EXIT and then press ◄/► until the SYSTEM SETUP: Advanced menu is highlighted. 2. Press ▼ to highlight Lamp Settings and press MODE/ENTER. The Lamp Settings page displays. 3. You will see the Equivalent lamp hour information displaying on the menu. 4. To leave the menu, press MENU/EXIT. You can also get the lamp hour information on the INFORMATION menu. Extending lamp life The projection lamp is a consumable item. To keep the lamp life as long as possible, you can do the following settings via the OSD menu. Setting Lamp mode as Economic or SmartEco Using Economic mode reduces system noise and power consumption by 30%. Using SmartEco mode reduces system noise and lamp power consumption by up to 70%. If the Economic or SmartEco mode is selected, the light output will be reduced and result in darker projected pictures. Setting the projector in Economic or SmartEco mode also extends the lamp operation life. To set Economic or SmartEco mode, go into the SYSTEM SETUP: Advanced > Lamp Settings > Lamp mode menu and press ◄/► until your desired mode is selected. Lamp mode Normal Economic SmartEco Description 100% lamp brightness Saves 30% lamp power consumption Saves up to 70% lamp power consumption depending on the content brightness level. Setting Auto Power Off This function allows the projector to turn off automatically if no input source is detected after a set period of time to prevent unnecessary waste of lamp life. To set Auto Power Off, go into the SYSTEM SETUP: Basic > Auto Power Off menu and press ◄/►. The time period can be set from 5 to 30 minutes in 5-minute increments. If the preset time lengths are not suitable for your presentation, select Disable. The projector will not automatically shut down in a certain time period. 54 Maintenance