Segway SGW500F-A7 Owner's Manual page 135

MAINTENANCE,STORAGE AND TRANSPORTATION
Headlight beam adjustment up and down
To raise the headlight beam, turn the headlight adjusting screw
counterclockwise.
To lower the headlight beam, turn the headlight speed adjustment
screw clockwise.
Light adjusting screw
1
Left and right adjustment of the headlight beam
Headlight beam can be adjusted slightly to the left or right.
Light adjusting screw
1
To turn the headlight beam to the left, turn the headlight
adjustment screw counterclockwise.
To turn the headlight beam to the right, turn the headlight speed
adjustment screw clockwise.
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