LMI Technologies FocalSpec, Руководство пользователя

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3.3 Cleaning the Calibration Mirror
This section describes how to clean the calibration mirror.
Occasionally, the calibration mirror may require cleaning. If this is the case, use compressed air to blow away any
dust or debris on the calibration mirror. The compressed air must be clean and oil-free; otherwise oil may end up
on the calibration mirror.
Caution:
Do not use air flow that is too high.
Important:
Use only oil-free compressed air.
If you wipe the calibration mirror, for example, to remove greasy stains, use a lens-cleaning fluid such as isopropanol.
Proceed as follows:
1. Tip a small amount of
isopropanol
on a lint-free cloth.
2. Rub the calibration mirror with the cloth in a circular motion to remove the stains.
3. If necessary, use a dry lens cloth to remove residual cleaning fluid.