• 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 0.40 inch (1.0 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 0.40 inch (1.0 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 32°F (0°C) and 113°F (45°C) while the
device is being charged. Keep the ambient temperature between 14°F (-10°C) to
113°F (45°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.