Epson PowerLite L200SX 3600-Lumen XGA Short-Throw Laser 3LCD Smart Projector - Manual (Page 130)

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Constant Brightness Usage Hours
If you turn on the Maintain Brightness setting, the number of hours the projector can maintain constant
brightness is displayed as the Estimated Remains setting.
Display level Estimated remaining hours
10000 or more hours
8000 to 9999 hours
6000 to 7999 hours
4000 to 5999 hours
2000 to 3999 hours
0 to 1999 hours
Light source life span
The estimated life span of the light source varies depending on the Brightness Level setting and
whether the Maintain Brightness setting is on or off.