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2. Equivalent light source hour =
α= x(A'/X) + y(A'/Y) + z(A'/Z) + a(A'/A)
X = lamp life spec of Normal mode
Y = lamp life spec of ECO mode
Z = lamp life spec of SmartEco mode
A = lamp life spec of LampSave mode
A' is the longest lamp life spec among X, Y, Z, A
When you calculate Equivalent Lamp hour manually, it will probably have deviation from the value shown in OSD
menu since projector system calculates Time used for each lamp mode in "Minutes" then rounds down to an integer
in hours shown in OSD.
For Time used in each lamp mode shown in OSD menu:
- Time used is accumulated and rounded down to an integer in Hours.
- When time used is less than 1 hour, it shows 0 hours.
When you calculate Equivalent Lamp hour manually, it will probably have deviation from the value shown in OSD
menu since projector system calculates Time used for each lamp mode in "Minutes" then rounds down to an integer
in hours shown in OSD.
To obtain the lamp hour information:
1. Go to Advanced Menu - Settings > Light Settings and press OK. The Light Settings page
appears.
2. Press
to select Light Usage Time and press OK. The Light Usage Time information is
displayed.
You can also get the lamp hour information on the INFORMATION menu.
Extending lamp life
• Setting the Light Mode
Go to Advanced Menu - Picture > Light Source Mode and select a suitable lamp power from
among the provided modes.
Setting the projector in ECO or SmartEco mode extends lamp life.
Lamp mode
Description
Normal
Provides full lamp brightness
ECO
Lowers brightness to extend the lamp life and decreases the fan noise
Adjusts the lamp power automatically depending on the content brightness level while
SmartEco
optimizing display quality
Adjusts the lamp power automatically depending on the content brightness level while
LampSave
offering a longer lamp life
• Setting Auto 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 Off, go to Advanced Menu - Settings > Operation Settings > Auto Power Off and
press
/ .
Timing of replacing the lamp
When the Lamp indicator lights up or a message appears suggesting it is time to replace the lamp,
please consult your dealer or go to
may cause a malfunction in the projector and in some instances the lamp may explode.
56
Maintenance
hours
, if
http://www.BenQ.com
before installing a new lamp. An old lamp
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