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4. Select Light Source Brightness Control and press Enter .
5. If you want to maintain the brightness at a specific level, select the Maintain Brightness setting and
select On .
6. If you turn on Maintain Brightness , select the Maintain Brightness Level setting and check the
Estimated Remains information.
7. If you turn off Maintain Brightness , select the Light Source Mode setting:
• Normal : Sets brightness to the maximum level (ideal for conference rooms, auditoriums, and
lecture halls)
• Quiet : Sets brightness to 70% and reduces fan noise (ideal for libraries, theaters, museums, and
art galleries)
• Extended : Sets brightness to 70% and extends the life expectancy of the light source (ideal for
darker environments with ambient light, such as museums and art galleries, where a reduced
maintenance cycle is desired)
• Custom : Allows you to select a custom brightness level between 70 to 100%
8. If you set the Light Source Mode setting to Custom , select Brightness Level and use the left and
right arrow buttons to select the brightness.