13.2 Infrared lens
Liquids
Use one of these liquids:
■
96% ethyl alcohol (C
2
H
5
OH).
■
DEE (= ‘ether’ = diethylether, C
4
H
10
O).
■
50% acetone (= dimethylketone, (CH
3
)
2
CO)) + 50% ethyl alcohol (by volume).
This liquid prevents drying marks on the lens.
Equipment
Cotton wool
Procedure
Follow this procedure:
Soak the cotton wool in the liquid.1
Twist the cotton wool to remove excess liquid.2
Clean the lens one time only and discard the cotton wool.3
WARNING
Make sure that you read all applicable MSDS (Material Safety Data Sheets) and
warning labels on containers before you use a liquid: the liquids can be dangerous.
CAUTION
Be careful when you clean the infrared lens. The lens has a delicate anti-reflective
coating.
■
■
Do not clean the infrared lens too vigorously. This can damage the anti-reflective
coating.
32 Publ. No. T559498 Rev. a461 – ENGLISH (EN) – August 19, 2010
13 – Cleaning the camera
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