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Figure 9 HW970 protection glass module split diagram
■ Lens cleaning tools：
PE gloves or finger cots, polyester cotton swabs, absolute ethanol, rubber air
blower (clean compressed air), etc.
■ Lens cleaning method and matters needing attention:
（1）Wear finger cots on the thumb and index finger of the left hand;
（2）Spray ethanol on the polyester cotton swab;
（3）Gently pinch the side edge of the lens with the thumb and index finger of the left
hand. (Note that the finger cot cannot touch the surface of the lens to avoid leaving
traces);
（4）With the lens facing both eyes, hold the polyester cotton swab in your right
hand, gently wipe the lens from bottom to top or from left to right in a single direction (do
not wipe back and forth to avoid secondary pollution of the lens), and use rubber air
blower (clean compressed air) blows the surface of the lens. Both sides should be
cleaned. After cleaning, reconfirm that there are no residues of the following: detergent,
floating dust, foreign matter, and impurities.
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