Visual Aiming Equipment

Do not use visual aiming equipment that attaches to the headlamp. Heat from the headlamp may distort the plastic lens with the equipment attached.

The results of the visual aiming equipment must be equivalent to the results of the screen method. Refer to Headlight Aiming.

Ensure the visual aiming equipment is in proper working order. Ensure to use the visual aiming equipment in accordance with the manufacturer instructions.

Use a visual screen for beam pattern projection if using visual aiming equipment with a photoelectric cell(s). Ensure the following conditions are present:
^ Ensure the vehicle is on a level surface parked 7.6 m (25 ft) from the screen.
^ Ensure the pattern is proportional to its appearance.
^ Ensure the screen is plainly visible to the operator.
^ Ensure a horizontal reference line is present to allow for visual appraisal of the headlamp beam.
^ Ensure a vertical reference line is present to allow for visual appraisal of the headlamp beam.