Cortelco 3220 사용자 설명서
10.
Do not disassemble this product. Opening or removing covers may
expose you to dangerous voltages or other risks. Incorrect reassembly
can cause electrical shock when the product is subsequently used.
expose you to dangerous voltages or other risks. Incorrect reassembly
can cause electrical shock when the product is subsequently used.
11.
Do not overload outlets and extension cords. Some telephones
require AC power from an outlet. Overloading the outlets can result in
the risk of fire or electric shock.
require AC power from an outlet. Overloading the outlets can result in
the risk of fire or electric shock.
12.
Avoid using a telephone during a local thunderstorm. There may be a
remote risk of electrical shock from lightning.
remote risk of electrical shock from lightning.
13.
Do not use a telephone to report a gas leak in the vicinity of the leak.
14.
Unplug the telephone from the wall outlet and refer servicing to
qualified service personnel under the following conditions:
qualified service personnel under the following conditions:
•
When the line cord is frayed or plugs damaged.
•
If liquid has been spilled into the telephone.
•
If the telephone has been exposed to rain or water.
•
If the telephone does not operate properly by following the operating
instructions. (Adjust only those controls covered by the operating
instructions. Improper adjustment of other controls may result in
damage and will often require extensive work by a qualified
technician to restore the product to normal operation.)
instructions. (Adjust only those controls covered by the operating
instructions. Improper adjustment of other controls may result in
damage and will often require extensive work by a qualified
technician to restore the product to normal operation.)
•
If the telephone has been dropped or the housing damaged.
•
If the telephone exhibits distinct change in performance.
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