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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:

Equivalent lamp hour

= 1 (hours used in Economic mode) + 3/2 (hours used in Normal mode)

See "Setting Lamp Power as Economic" below for more information on Economic mode.

To obtain the lamp hour information:

1.Press MENU on the projector or MENU/EXIT on the remote control, and then press / until the Advanced Setup menu is highlighted.

2.Press to highlight Lamp Settings and press ENTER. The Lamp Settings page is displayed.

3.The lamp hour information is shown in the row of Equivalent Lamp Hour.

4.To leave the menu, press MENU on the projector or MENU/EXIT on the remote control.

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 Power as Economic

Using Economic mode reduces system noise and power consumption. If the Economic mode is selected, the light output will be reduced and result in darker projected pictures.

Setting the projector in Economic mode also extends the lamp life. To set Economic mode, go to the Advanced Setup > Lamp Settings > Lamp Power menu and press / .

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 set Auto Power Off, go to the System Setup > Operation Settings > Auto Power Off menu and press / to select a time period. 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.

52 Additional information

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BenQ SH940 user manual Lamp information, Getting to know the lamp hour, Extending lamp life, Setting Lamp Power as Economic