AT&T Door Phone Controller - Manual (Page 19)

Important Safety Instructions
When using your telephone equipment, basic safety
precautions should always be followed to reduce the risk of fire,
electric shock and injury to persons, including the following:
1.
2.
3.
4.
5.
6.
7.
Read and understand all instructions.
Follow all warnings and instructions marked on the
product.
Unplug this product from the wall outlet before cleaning.
Do not use liquid cleaners or aerosol cleaners. Use a
damp cloth for cleaning.
Do not use this product near water, for example, near a
bath tub, wash bowl, kitchen sink, or laundry tub, in a
wet basement, or near a swimming pool.
Do not place this product on an unstable cart, stand, or
table. The product may fall, causing serious damage to
the product.
Slots and openings in the cabinet and the back or bot-
tom are provided for ventilation. To avoid overheating,
these openings must not be blocked or covered. The
openings should never be blocked by placing the
product on the bed, sofa, rug, or other similar surface.
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 indicated on the marking label. If you are
not sure of the type of power supply to your home, con-
sult your dealer or local power company.
Installation Procedures 2-3