Laser radiation when open and interlock defeated. Invisible and Visible Laser Radiation — Avoid Eye or Skin Exposure to Direct or Scattered Radiation Invisible and Visible Laser Radiation — Avoid Eye or Skin Exposure to Direct or Scattered Radiation Laser radiation when open and interlock defeated. Class 4 Laser radiation when open and interlock defeated. Class 4 Invisible and Visible Laser Radiation — Avoid Eye or Skin Exposure to Direct or Scattered Radiation Invisible and Visible Laser Radiation — Avoid Eye or Skin Exposure to Direct or Scattered Radiation Laser radiation when open and interlock defeated. Class 4 Laser radiation when open and interlock defeated. Class 4