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Safety Information 61
Tips for the display screen
• Do not display non-moving images for an extended period. This may cause
image burn-in or stains on the screen.
• Applications that display the same screen for more than 10 minutes are not
recommended because the potential screen damage is not covered by the
warranty.
Specific Absorption Rate (SAR) Values
This product transmits and receives radio signals. It is designed and manufactured
not to exceed the emission limits for exposure to Radio Frequency (RF) energy
set by the Federal Communications Commission of the U.S. Government. These
standards include a substantial safety margin designed to assure the safety of all
persons, regardless of age and health. The exposure standard for wireless products
employs a unit of measurement known as the Specific Absorption Rate, or SAR.
In the United States and Canada, the SAR limit for wrist watch used by the public
is 1.6 watts/kg (W/kg) averaged over one gram of tissue, or 4.0 watts/kg (W/kg)
averaged over ten grams of tissue.
SAR tests are conducted using standard operating positions
specified by the FCC, with the product transmitting at its highest certified power
level in all tested frequency bands.
Although SAR is determined at the highest certified power level, the actual SAR
level of the product during operation can be well below the maximum value.
Because the product is designed to operate at multiple power levels and to use
only the power required to reach the network, in general, the closer you are to a
wireless base station antenna, the lower the power output. The highest SAR value
for device is
0.22 W/kg (1 g) when tested for use at next-to-mouth (face) level and 0.17 W/kg
(10 g) for bodyworn (wrist) use.
While there may be differences between SAR levels of various devices and at
various positions, they all meet the government requirement for safe exposure. The
FCC has granted an Equipment Authorization for this product with all reported
SAR levels evaluated, in compliance with the FCC RF emission guidelines. SAR
information on this model product is on file with the FCC and can be found under
the Display Grant section of http://transition.fcc.gov/oet/ea/fccid/ after searching
on FCC ID ZNFW315.
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