38 Maintenance
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:
Lamp hour = Total lamp hour = X (hours used in Normal mode) + Y (hours used in Eco mode) + Z
(hours used in SmartEco mode) + A (hours used in new SmartEco)
X= lamp life spec of new SmartEco/lamp life spec of Normal mode
Y= lamp life spec of new SmartEco/lamp life spec of Eco mode
Z= lamp life spec of new SmartEco/lamp life spec of SmartEco mode
A=lamp life spec of new SmartEco/ lamp life spec of new SmartEco
To obtain the lamp hour information:
1. Go to Advanced Menu - Settings > Light Settings and press OK.
2. Select Light Usage Time and press OK. You will see the Light Usage Time information
displaying on the menu.
3. To leave the menu, press MENU.
4. You can also get the lamp hour information on the INFORMATION menu.
Extending lamp life
• Setting the Light Mode
Go to Advanced Menu - Settings > Light Settings > Light Mode and press OK. Use / to
select a suitable lamp power from among the provided modes, and press OK to confirm.
Setting the projector in ECO, SmartEco, LampSave or LongECO mode extends lamp life.
• 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 set Auto Power Off, go to Advanced Menu - Settings > Operation Settings > Power
On/Off Settings > Auto Power Off and press OK. Use / to select a desired setting and press
OK to confirm.
Light Mode Description
Normal Provides full lamp brightness
ECO Lowers brightness to extend the lamp life and decreases the fan noise
SmartEco
Adjusts the lamp power automatically depending on the content brightness level
while optimizing display quality
LampSave
Adjusts the lamp power automatically depending on the content brightness level
while offering a longer lamp life
LongECO
Dims the projector light to the very low status which will extend the lamp life to
20,000 hours.
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