User manual

areas where the air contains chemicals or particles such as grain, dust,
or metal powders. Ask the manufacturers of vehicles using liquefied
petroleum gas (such as propane or butane) whether this device can be
safely used in their vicinity.
Traffic Security
Observe local laws and regulations while using the device. In addition,
if using the device while driving a vehicle, comply with the following
guidelines:
Concentrate on driving. Your first responsibility is to drive safely.
Do not talk on the device while driving. Use hands-free
accessories.
When you have to make or answer a call, park the vehicle at the
road side before using your device.
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 45°C while the
device is being charged. Keep the ambient temperature between –10°C
to 55°C for using the device powered by a battery.
Prevention of Hearing Damage