E
How to clean instruments with a recessed lens interface
Light dirt
If you nd any particles of dirt on the xed connector interface, or on the input
of the optical block, clean them with compressed air.
This cleaning method is gentle to your optical device and is an ideal approach if
there is no fat on the surface of your device.
Heavy dirt
Using compressed air, blow away larger particles of dirt. Clean the recessed lens
interface with a dry cotton swab by rubbing gently over its surface
. Then blow
away any remaining laments left by the swab.
Isopropyl alcohol should only be used if there is fat on the lens. In this case,
choose a new swab and moisten it with alcohol. Remove the dirt by gently
rotating the swab using light pressure. Then select a fresh, dry swab to wipe
away the alcohol. Blow away any remaining lament with compressed air.
Caution
Do not press the swabs too hard onto the optical surface of your
device, as this may produce scratches and your recessed lens
could be misaligned.
Alcohol will dissolve some types of dirt. If this then forms a
deposit on the edge of the optical input it cannot be removed.
You should therefore only use alcohol if absolutely necessary.
Other solvents, like Acetone, should also not be used, as they
may damage your optical device and reduce its performance.
Cleaning Procedures E-7
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