The level floor will be used as the horizontal zero reference.Ģ.An adjacent wall or floor member that is perpendicular to the alignment screen can be used as the vertical zero reference. Refer to the Lamp Alignment Screen Distance table for the appropriate measurement.
The procedure that follows will prepare a suitable front lamp alignment screen.ġ.Tape a line on a level floor at the appropriate distance away from and parallel to the flat wall that will be used as the lamp alignment screen.
