Sony Ericsson T618 User Manual page 92

of unauthorised or modified antennas could damage
your mobile phone and may violate regulations,
causing loss of performance and SAR levels above the
recommended limits (see below).
EFFICIENT USE
Hold your mobile phone as you would any other
phone. Do not cover the top of the phone when in use,
as this affects call quality and may cause the phone to
operate at a higher power level than needed, thus
shortening talk and standby times.
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
92 Additional information
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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 mobile phone while operating
can be well below this value.
This is because the mobile phone is designed to
use the minimum power required to reach the network.
Therefore, the closer you are to a base station, the
more likely it is that the actual SAR level will decrease.
Variations in SAR below the radio frequency
exposure guidelines do not mean that there are
variations in safety. While there may be differences in
SAR levels among various mobile phones, all Sony
Ericsson mobile phone models are designed to meet
radio frequency exposure guidelines.
A separate leaflet with SAR information for this
mobile phone model is included with the material that
comes with this mobile phone. This information can
also be found, together with more information on
radio frequency exposure and SAR, on
www.SonyEricsson.com.cn.
DRIVING
Please check if local laws and regulations restrict the
use of mobile phones while driving or require drivers to