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6 Guidelines for Safe and Efficient Use
Efficient Use
For optimum performance with minimum power
consumption please:
• If your mobile phone is equipped with a retractable
antenna, Sony Ericsson recommends that the antenna
should be kept fully retracted (closed) while the phone is
worn on the body to avoid the antenna touching, or
coming in close proximity to, the body.
• Hold your mobile phone as you would any other
telephone. While speaking directly into the mouthpiece,
angle the antenna in a direction up and over your
shoulder.
• Do not touch the antenna when the mobile phone is in
use. Touching the antenna affects call quality, may cause
the mobile phone to operate at a higher power level than
needed and may shorten talk and standby times.
• Do not use the mobile phone when the front and/or
back cover is removed from the unit.
• If your mobile phone is equipped with infrared, never
direct the infrared ray at anyone’s eye and make sure that
it does not disturb any other infrared units.
Radio Frequency (RF) Exposure and SAR
Your mobile phone is a low-power radio transmitter and
receiver. When it is turned on, it emits low levels of radio
frequency energy (also known as radio waves or radio
frequency fields).
Governments around the world have adopted
comprehensive international safety guidelines, developed
by scientific organizations*, e.g. ICNIRP (International
Commission on Non-Ionizing Radiation Protection),
through periodic and thorough evaluation of scientific
studies. These guidelines establish permitted levels of
radio wave exposure for the general population. All Sony
Ericsson mobile phone models are designed to operate
within these stringent levels. The levels include a safety
margin designed to assure the safety of all persons,
regardless of age and health, and to account for any
variations in measurements.
Specific Absorption Rate (SAR) is the unit of measurement
for the amount of radio frequency energy absorbed by the
body when using a mobile phone. The SAR value is
determined at the highest certified power level in laboratory
conditions, but the actual SAR level of the phone while
operating can be well below this value.