Tests of conformity in this Regulation shall cover the photometric characteristics and for Class B, C, D and E headlamps the verification of the change in vertical position of the &quot; cut-off &quot; line under influence of heat.
Tests of conformity in this Regulation shall cover the photometric characteristics and for Class B, C, D and E headlamps the verification of the change in vertical position of the &quot; cut-off &quot; line under influence of heat.