Hytera HM78X, Руководство пользователя

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10. Care and Cleaning
To guarantee optimum performance as well as a long service life of the product, please follow the tips below.
10.1 Product Care

Do not pierce or scrape the product.
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Keep the product away from substances that can corrode the circuitry.
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Close the accessory connector cover when no accessory is in use.
10.2 Product Cleaning
Turn off the product and remove the battery before cleaning.

Clean up the dust and fine particles on the product surface and charging piece with a clean and dry lint-free cloth
or a brush regularly.
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Use neutral cleanser and non-woven fabric to clean the keys, knobs, and front case after long-time use. Do not use
chemical preparations such as stain removers, alcohol, sprays or oil preparations, so as to avoid surface case damage.

Make sure the product is completely dry before use.