Caltta PR900, Быстрый старт

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Do not put the irrespective materials on the repeater, guarantee effective heat dissipation.
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Do not puncture or scrap the repeater with the sharp and hard materials.
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Do not store the repeater at the environment with corrosive electronic circuit materials.
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Do not soak the repeater in corrosive, liquor or water.
3.2Cleaning
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Termly wipe the dust attached on the repeater using the clean and dry fleece-free cloth or
brush,to keep it clean.
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If the buttons, control rotary knobs, display and port of the repeater is dirty, it may be cleaned
using the fleece-free cloth with neutral detergent. It is prohibited to use the highly corrosive
chemical agent, such as non-neutral detergent, alcohol, spray or oil preparations, etc.

After cleaning, ensure the repeater dry completely, otherwise do not power on.