Sony Z300i User Manual download pdf (Page 67)

• Do not attempt to disassemble your product. Only

Sony Ericsson authorised personnel should perform

service.

Antenna

Only use an antenna that has been specifically designed

by Sony Ericsson for your mobile phone. Use 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) and IEEE (The Institute of Electrical and Electronics

Engineers Inc.), through periodic and thorough evaluation of scientific

studies. These guidelines establish permitted levels of radio wave

exposure for the general population. 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

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.

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Sony Z300i User Manual Page 67