How good a light source is noticed is given by different factors: Intensity determines the range, color temperature has against the background an important influence. The eye reacts strongly on intensity variations. Thus you rise attention by changing the intensity of the light source. A periodic change of intensity must not neccesarily switch on and off the light source totally it can be achieved by simply pulsating the intensity in between hi and low power level of nucon ballast with the help of for instant the external Xentroler board.
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