| 6.3.2. | It is possible to use several light sources for the driving beam, these light sources being listed in Regulation No. 37 (in this case the filament lamps shall be operated at their reference luminous flux), in Regulation No. 99 and/or they can be LED module(s). Where more than one light source is used to provide the driving beam, these light sources shall be operated simultaneously whilst determining the maximum value of luminous intensity (IM). | a0c0 |