Cortelco 2005 说明手册

3

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.

11.

Do not overload outlets and extension cords.  Some tele-
phones 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.

13.

Do not use a telephone in the vicinity of a gas leak to report the
leak, or otherwise.

14.

Unplug the telephone from the wall outlet and refer servicing
to 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 con-
trols 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.

15-101-613