7.1. |
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a2c0 |
7.1. | All measurements shall be carried out with uncoloured standard filament lamps of the types prescribed for the device, adjusted to produce the reference luminous flux prescribed at 13.2 V for light sources as listed in Regulation No. 37, Annex 1 under the group 1 and at 13.5 V for the light sources as listed in Regulation No. 37, Annex 1 under the group 2, when not supplied by an electronic light source control gear. | a0c0 |