Adjusting the Brightness
83
Display level Estimated remaining hours
2000 to 3999 hours
0 to 1999 hours
a
The number of hours displayed as Estimated Remains is just a guide.
Light Source Operation Time
The light source operation time varies depending on the Brightness Level
setting and whether Maintain Brightness is on or off.
a
• The light source operation time varies depending on the
environmental conditions and usage.
• The hours listed here are an approximate and are not guaranteed.
• You may need to replace internal parts sooner than the estimated
light source operation time.
• If Maintain Brightness is turned on, and you have exceeded the
usage hours listed here, you may not be able to select a high
Maintain Brightness Level setting.
Maintain Brightness off
Brightness Level setting Time before the brightness of the light source is
reduced by half (approximate)
100% 20,000 hours
90% 21,000 hours
80% 24,000 hours
70% 30,000 hours
Maintain Brightness on
A
Maintain brightness level
B
Time the projector can maintain constant brightness (approximate)
Maintain Brightness Level
setting
Hours
85% 6,000 hours
80% 10,000 hours
75% 14,000 hours
70% 19,000 hours