| Light Loss Factor (LLF) allows the user to degrade the amount of light coming from the fixture and simulate real world conditions. Factors that can degrade the light output include lamp lumen depreciation, ballast factor, supply voltage variation, and fixture dirt depreciation. It is not unusual to use factors from 0.65 to 0.85.
The fixture control panel allows the user to set for each fixture a light loss factor. By default the light loss factor is set to 1.0 as illustrated below:
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