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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
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.
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