Plantronics HL 10 Guide D'utilisation page 4

Disconnect the amplifier or power source from the mains
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supply before cleaning. Do not use liquid cleaners or
aerosol cleaners. Use a damp (not wet) cloth for cleaning.
6 Do not allow anything other than the telephone handset
to rest on this product or locate it in an area where nor-
mal operation can be hampered. Additional weight will
prevent the lifter from working.
Do not expose this product to rain or excessive moisture.
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8 Do not place this product on an unstable trolley, stand or
table. The product may fall causing serious damage to
the product.
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