Suitable glass cleaning substance, such as isopropyl alcohol mixed with water
WARNING Viewing the laser output with telescopic optical instruments (for
example, telescopes or binoculars) may pose an eye hazard. Do not direct the beam
into an area where such instruments are likely to be used.
WARNING Only qualified
maintenance personnel may perform maintenance procedures. Make sure unauthorized
persons cannot access the work area during service operations.
The status message and netCDF files include
a warning when the window is contaminated.
If the blower cannot remove the contamination, the ceilometer issues a warning indicating
that you must clean the window manually.
Make sure that the measurement unit door is closed.
Rinse the window with clean water to remove coarse grains.
CAUTION Do not use pressure
CAUTION Avoid spraying water
into the window blower.
Clean the window with a soft, lint-free cloth moistened with a mild detergent.
CAUTION Be careful not to
scratch the window surface.