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off the device at refuelling points such as 
near gas pumps at service stations. 
Observe restrictions in fuel depots, 
storage, and distribution areas; chemical 
plants; or where blasting operations are 
in progress. Areas with a potentially 
explosive atmosphere are often, but not 
always, clearly marked. They include 
areas where you would be advised to turn 
off your vehicle engine, below deck on 
boats, chemical transfer or storage 
facilities and where the air contains 
chemicals or particles such as grain, dust, 
or metal powders. You should check with 
the manufacturers of vehicles using 
liquefied petroleum gas (such as propane 
or butane) to determine if this device can 
be safely used in their vicinity.

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Your mobile device is a radio transmitter 
and receiver. It is designed not to exceed 
the limits for exposure to radio waves 
recommended by international 
guidelines. These guidelines were 
developed by the independent scientific 
organization ICNIRP and include safety 
margins designed to assure the 
protection of all persons, regardless of 
age and health.

The exposure guidelines for mobile 
devices employ a unit of measurement 
known as the Specific Absorption Rate or 
SAR. The SAR limit stated in the ICNIRP 
guidelines is 2.0 watts/kilogram (W/kg) 
averaged over 10 grams of tissue. Tests 
for SAR are conducted using standard 
operating positions with the device 
transmitting at its highest certified 
power level in all tested frequency bands. 
The actual SAR level of an operating 
device can be below the maximum value 
because the device is designed to use 
only the power required to reach the 
network. That amount changes