luxvision LRK 5200, Руководство по эксплуатации

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5. Safeguard Summary
(1) LRK-5200 is a precision optical instrument. Always handle with care and avoid dropping
it accidentally.
(2) Ensure that the instrument is properly grounded when connected to the power source.
(4) If the surfaces of the measuring unit and main unit including the control panel are dirty,
gently wipe with a dry cloth.
(3) Do not touch the optical parts with fingers and be sure to avoid dust, as their measuring
accuracy could be adverely affected and incorrect values may result.
Warning
When dust or fingerprints appear on the optical part, use a soft cloth to wipe off the build-up.
In case the build-up is hard to remove, absolute alcohol is recommended.
Warning
For stains hard to remove, using neutral cleaner with a dry cloth.
(5) Clean the chin rest and headrest with neutral cleanser very often.
For the sterilization of these parts, expecially where the examinee may contact,
hydrogen peroxide is recommended.
(6) If the instrument is not used for long time, remove the power cord from the outlet then protect
the instrument with the supplied dust cover.
(7) When the instrument fails to function properly, never attempt to perform internal service or
adjustment. Contact a certified dealer or manufacturer.
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