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Once the photometric values have been measured according to the prescriptions of this Regulation, in the point for Imax for driving-beam and in points 0.50U/1.5L and 0.50U/1.5R , 50R, 50L for Class B passing-beam and in points 0.86D-3.5R, 0.86D-3.5L, 0.50U-1.5L and 0.50U-1.5R for Classes C, D and E, for passing-beam a complete headlamp sample shall be tested for stability of photometric performance in operation. "Complete headlamp" shall be understood to mean the complete lamp itself, including those surrounding body parts, filament lamps, gas discharge light sources or LED module(s) which could influence its thermal dissipation. |
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