Canon SX20 User Manual page 9

Slots and openings in the back and bottom of the cabinet are provided for ventilation, to
insure reliable operation of the equipment and to protect it from overheating.
The openings should never be covered with cloth or other materials, and the bottom
opening should not be blocked by placing the projector on a bed, sofa, rug, or other
similar surface. This projector should never be placed near or over a radiator or heat
register.
This projector should not be placed in a built-in installation such as a book case unless
proper ventilation is provided.
Never push objects of any kind into this projector through cabinet slots as they may touch
dangerous voltage points or short out parts that could result in a fire or electric shock.
Never spill liquid of any kind on the projector.
Do not install the projector near the ventilation duct of air-conditioning equipment.
This projector should be operated only from the type of power source indicated on the
marking label. If you are not sure of the type of power supplied, consult your authorized
dealer or local power company.
Do not overload wall outlets and extension cords as this can result in fire or electric shock.
Do not allow anything to rest on the power cord. Do not locate this projector where the
cord may be damaged by persons walking on it.
Do not attempt to service this projector yourself as opening or removing covers may
expose you to dangerous voltage or other hazards. Refer all servicing to qualified service
personnel.
Unplug this projector from wall outlet and refer servicing to qualified service personnel
under the following conditions:
a. When the power cord or plug is damaged or frayed.
b. If liquid has been spilled into the projector.
c. If the projector has been exposed to rain or water.
d. If the projector does not operate normally by following the operating instructions.
Adjust only those controls that are covered by the operating instructions as improper
adjustment of other controls may result in damage and will often require extensive work
by a qualified technician to restore the projector to normal operation.
e. If the projector has been dropped or the cabinet has been damaged.
f. When the projector exhibits a distinct change in performance-this indicates a need for
service.
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