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Chapter 6 ______________________________________________________________ Maintenance
3.
Blow on the mirror and window area with clean instrument air to
remove any loose particles.
Figure 11
0704-021
Optics
The following numbers refer to Figure 11 on page 71:
1 = Mirror
2 = Window
4.
CAUTION
If the mirror and/or window seem dirty, perform the following steps:
Do not rub or wipe the optical surfaces, as that may scratch or otherwise
damage them.
a.
b.
c.
5.
6.
Pour some pure ethanol or isopropyl alcohol on the window and
swish it around to clean the dirt. Pour out the liquid when done.
Clean the mirror in the same manner.
Let the surfaces dry before continuing with the next step.
Replace the diffusion filter. Push the end of the filter gently to snap it
into place.
Replace the filter cover.
VAISALA _______________________________________________________________________ 71