21
Operating Environment
z
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.
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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.
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On a stormy day with thunder, do not use your device when it is
being charged, to prevent any danger caused by lightning.
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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.
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While using the device, observe the local laws and regulations,
and respect others' privacy and legal rights.
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Keep the ambient temperature between 0°C and 45°C while the
device is being charged. Keep the ambient temperature between
-20°C to 60°C for using the device powered by a battery.
Prevention of Hearing Damage
Using a headset at high volume can damage your
hearing. To reduce the risk of damage to hearing, lower the headset
volume to a safe and comfortable level.
Safety of Children
Comply with all precautions with regard to children's safety. Letting
the child play with your device or its accessories, which may include
parts that can be detached from the device, may be dangerous, as it
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