Sennheiser Digital 9000, Instruction Manual

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Cleaning and maintaining the Digital 9000 system
106 | Digital 9000
Cleaning and maintaining the Digital 9000
system
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Disconnect the products from the mains. Remove the rechargeable bat-
teries or batteries before cleaning.
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Only use a soft, dry cloth to clean the products.
Cleaning the sound inlet basket of the microphone head
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Unscrew the upper sound inlet basket from the microphone head by
turning it counterclockwise (see diagram).
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Remove the foam insert.
There are two ways to clean the sound inlet basket:
• Use a slightly damp cloth to clean the upper sound inlet basket from
the inside and outside.
• Scrub with a brush and rinse with clear water.
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If necessary, clean the foam insert with a mild detergent or replace the
foam insert.
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Dry the upper sound inlet basket and the foam insert.
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Reinsert the foam insert.
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Replace the sound inlet basket on the microphone head and screw it
tight.
You should also clean the contacts of the microphone head from time to
time:
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Wipe the contacts of the microphone head with a soft and dry cloth.
Cleaning the contacts of the SK 9000 bodypack transmitter
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Wipe the contacts with a dry cloth.
CAUTION
Liquids can damage the electronics of the products!
Liquids entering the housing of the products can cause a short-circuit and
damage the electronics.
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Keep all liquids away from the products.
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Do not use any solvents or cleansing agents.