158 Appendix
Safety precautions for RF exposure
Use only original manufacturer-approved accessories, or accessories that do
Use of non-original manufacturer-approved accessories may violate your
local RF exposure guidelines and should be avoided.
Except as explained elsewhere in the Operating or Service documentation,
do not service any product yourself.
Service needed on components inside
these compartments should be done by an authorized service technician or
Unplug the product from the electrical outlet and refer servicing to an
authorized service technician or provider under the following conditions:
Liquid has been spilled or an object has fallen into the product.
The product has been exposed to rain or water.
The product has been dropped or damaged.
There are noticeable signs of overheating.
The product does not operate normally when you follow the
The exposure standard for wireless mobile phones employs a unit of
The standard incorporates a substantial margin of safety to give
additional protection for the public and to account for any variations
in usage. Normal conditions only ensure the radiative performance
and safety of the interference. As with other mobile radio transmitting
equipment, users are advised that for satisfactory operation of the
equipment and for the safety of personnel, it is recommended that no
part of the human body be allowed to come too close to the antenna
during operation of the equipment.