Welch Allyn Proxenon Headlight And Fiber Optic Cable - User Manual - Manual (Page 18)

14 Chapter 2 Welch Allyn ProXenon Headlight and Fiberoptic Cable
3. Adjust the luminaire as close as possible to your face without
touching the skin.
4. Adjust illumination spot size by turning iris control on
luminaire.
5. Sterilizable joystick is provided to facilitate luminaire
adjustment with gloved hand.
Coaxial Position
(recommended; required for shadow
free illumination)
Non-coaxial Position