| WARNING Do not look directly into the instrument transmitter or optics with
magnifying optics (such as glasses, binoculars, and telescopes). Do not direct the
beam into an area where such instruments are used. Viewing the laser output may pose
an eye hazard. |
| WARNING Only qualified
maintenance personnel may perform maintenance procedures. Make sure unauthorized
persons cannot access the work area during service operations. |
Clean the window when dirty at least once a
year.
You can also check the operation of the
window blower. Place your hand in front of the window blower to verify that air is coming
out of the blower.