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Guidelines for safe and efficient use
Please read this information before using your EC400.
Recommendations
•
Always treat your product with care and keep it in a clean and dust-free place.
•
Do not expose your product to liquid, moisture or humidity.
•
Do not expose your product to extreme high or low temperatures.
•
Do not expose your product to open flames or lit tobacco products.
•
Do not drop, throw or try to bend your product.
•
Do not paint your product.
•
Do not use your product near medical equipment without requesting permission from your
treating physician or authorised medical staff.
•
Do not use your product when in, or around aircraft, or areas showing the sign "turn off two-
way radio".
•
Do not use your product in an area where a potentially explosive atmosphere exists.
•
Do not place your product or install wireless equipment in the area above your car's air bag.
•
Do not attempt to disassemble your product. Only Sony Ericsson authorised personnel should
perform service.
Efficient use
Do not cover the EC400 when in use, as this affects call quality.
Radio Frequency (RF) exposure and SAR
Your Sony Ericsson EC400 is a low-power radio transmitter and receiver (transceiver). 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 transceiver. The SAR value is determined at the highest certified
power level in laboratory conditions, but the actual SAR level of the transceiver while operating can
be well below this value. This is because the transceiver is designed to use the minimum power required
to reach the network.
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