§ 650. Terminology.

The letters “H” and “V” shown in photometric tables designate the horizontal and vertical planes through the photometer axis and the center of the light source of a lamp or the center of a reflex reflector. The letters “L,” “R,” “U,” and “D” (left, right, up, and down) designate the position of the photometer as viewed from a lamp or the position of the light source as viewed from a reflector.

Note

Note: Authority cited: Section 26103, Vehicle Code. Reference: Sections 24012 and 26103, Vehicle Code.