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Maintenance 47
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.
Total (equivalent) lamp hour = 2.22 x (hours used in Normal mode) + 1.67 x (hours used
in Economic mode) + 1.54 x (hours used in SmartEco mode) + 1.00 x (hours used in
LampSave mode).
To obtain the lamp hour information:
1. Press MENU/EXIT and then press / to highlight the SYSTEM SETUP:
Advanced menu.
2. Press to highlight Lamp Settings and press MODE/ENTER. The Lamp
Settings page appears.
3. You will see the Equivalent Lamp 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 that normally can last up to 3000-4000 hours
with proper usage. To keep the lamp life as long as possible, you can do the following
settings via the OSD menu.
• Setting the Lamp Mode
Setting the projector in Economic, SmartEco or LampSave mode extends the lamp
operation life. To set Economic, SmartEco or LampSave mode, go into the SYSTEM
SETUP: Advanced > Lamp Settings > Lamp Mode menu and press / .
• Setting Auto Power Off
This function allows the projector to turn off automatically if no input signal is detected
after a set period of time to prevent unnecessary waste of lamp life.
To s e t Auto Power Off, go into the SYSTEM SETUP: Basic > Operation Settings
> Auto Power Off menu and press / . 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.
Lamp mode Description
Normal
Provides full lamp brightness
Economic
Lowers brightness to extend the lamp life and decreases the fan
noise
SmartEco
Adjusts the lamp power automatically depending on the content
brightness level
LampSave
Adjusts the lamp power automatically and lowers the brightness to
extend the lamp life
Downloaded From projector-manual.com BenQ Manuals
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