Operating Environment - AT&T U2800A Manual De Instrucciones

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RF signals may affect electronic systems
of motor vehicles. For more information,
consult the vehicle manufacturer.
In a motor vehicle, do not place the
device over the air bag or in the air bag
deployment area. Otherwise, the device
may hurt you owing to the strong force
when the air bag inflates.
Do not use your device while flying in an
aircraft. Power off your device before
boarding an aircraft. Using wireless
devices in an aircraft may cause danger to
the operation of the aircraft and disrupt
the wireless telephone network. It may
also be considered illegal.

Operating Environment

Do not use or charge the device in dusty,
damp, and dirty places or places with
magnetic fields. Otherwise, it may result
in a malfunction of the circuit.
The device complies with the RF
specifications when the device is used
near your ear or at a distance of 1.5 cm
from your body. Ensure that the device
accessories such as a device case and a
device holster are not composed of metal
components. Keep your device 1.5 cm
away from your body to meet the
requirement earlier mentioned.
On a stormy day with thunder, do not use
your device when it is being charged, to
prevent any danger caused by lightning.
When you are on a call, do not touch the
antenna. Touching the antenna affects
the call quality and results in increase in
power consumption. As a result, the talk
time and the standby time are reduced.
While using the device, observe the local
laws and regulations, and respect others'
privacy and legal rights.
Keep the ambient temperature between
0°C and 40°C while the device is being
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