Polycom VVX 500 Owner's Manual page 52

Read and understand all instructions.
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Follow all warnings and instructions marked on the product.
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Unplug this product from the wall outlet before cleaning. Do not use
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liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning.
Do not use this product near water (for example, in a wet basement).
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Do not place this product on an unstable cart, stand, or table. The
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product can fall, causing serious damage to the product.
Slots and openings in the cabinet and the back or bottom are provided
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for ventilation, to protect it from overheating; these openings must not
be blocked or covered. This product should never be placed near or
over a radiator or heat register. This product should not be placed in a
built-in installation unless proper ventilation is provided.
This product should be operated only from the type of power source
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indicated in the manual. If you are not sure of the type of power source
to your building, consult your dealer or local Power Company.
The power socket outlet must be located near the product and must be
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easily accessible to allow plugging/unplugging.
Do not allow anything to rest on the power cord. Do not locate this
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product where persons walking on it will abuse the cord.
Do not use an extension cord with this product's AC power cord. The
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AC outlet for this product should not be used for any other electrical
equipment.
Never push objects of any kind into this product through cabinet slots as
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they can touch dangerous voltage points or short out parts that could
result in a risk of fire or electric shock. Never spill liquid of any kind on
the product.
To reduce the risk of electric shock, do not disassemble this product,
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but take it to a qualified serviceman when some service or repair work is
required. Opening or removing covers can expose you to dangerous
voltages or other risks. Incorrect re-assembly can cause electric shock
when the product is subsequently used.
Unplug this product from the wall outlet and refer servicing to qualified
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service personnel under the following conditions:
- When the power supply cord or plug is damaged or frayed.
- If liquid has been spilled into the product.
- If the product has been exposed to rain or water.
- If the product does not operate normally by following the operating
instructions.
- Adjust only those controls that are covered by the operating
instructions because improper adjustment of other controls can result in
damage and will often require extensive work by a qualified technician
to restore the product to normal operation.
- If the product has been dropped or the cabinet has been damaged.
- If the product exhibits a distinct change in performance.
Avoid using a telephone during an electrical storm. There can be a
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remote risk of electric shock from lightning.
Do not use the telephone to report a gas leak in the vicinity of the leak.
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Owner's Manual